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Made with high quality motocross vinyl, these palettes fit the UCI-approved cycling races. Available in all the colors that are authorized by the various sanctioning bodies. FEATURES - Hook & Loop Straps - Velcro Frame Mount - 3D Compression Vinyl - UCI / USABMX Approved SPECIFICATIONS - Material Vinyl - Dimensions Fits All Frames - Process 3D Stamping - Weight 2.4 oz

With a stiff, one-piece, co-molded design, Box Three™ Air Flow Brake Shoes provide the excellent stopping power and are the perfect choice for your next build. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. Pivoting posts aid installation and make toe-in adjustments simple and easy.

Adjusting chain tension is quick and easy with the new Box Three™ Chain Tensioner. With a single-hole "lollipop" design, these tensioners reduce weight and help keep your rear wheel locked in place. Features: - New and Improved - 20mm of Adjustment - Single Axle Position - Slotted for Dropout - ED Black Hardware - Anodized Finish Specs: - Axle Size 10mm (3/8") only - Material 6061-T6 Aluminum - Hardware - Stainless Steel

Designed by the infamous Rich Lee, the Box Two plates are injected in an impact-resistant and colorfast resin. The airflow ports are artfully sculpted to both reduce weight and drag. Each plate includes hook-and-loop closures secured in place with custom Box rivets. Did you know that these stylish creations are also the official number plate of the UCI/GSX Super Cross Series?

Box Two Chain Tensioners let you dial in your chain tension, so it's just right. Two mounting holes provide room for ample adjustment on most frames. When used correctly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be. Features: - New and Improved - 30mm of Adjustment - Dual Axle Position - Anti-Rust Hardware - Anodized Finish Specs: - Axle Size 10mm (3/8") only - Material 6061-T6 Aluminum - Hardware - Stainless Steel

Box One 70mm Brake Shoes feature a stiff, cold-forged, and CNC-machined cartridge body and triple-compound, 70-millimeter pads for superior braking. Mounting posts that pivot allow for perfect pad alignment, while silver machined accents and laser-etched graphics offer refined aesthetics. - 70-millimeter replacement pads - Pivoting posts - Triple Compound - silver machined accents

Cold-forged and CNC machined from 6061-T6 aluminum alloy, Box One Fixed Seat Clamps are tough, lightweight, and exceptionally good looking. Featuring titanium hardware and laser-etched graphics, Box One Fixed Seat Clamps are available in anodized black, blue, red, and silver.

Box One™ fork adapters let you run standard "Male" 10mm (3/8" axles) in a fork designed for 20mm axles. - Material 6061-T6 Aluminum

Designed by the infamous Rich Lee, the Box Two plates are injected in an impact-resistant and colorfast resin. The airflow ports are artfully sculpted to both reduce weight and drag. Each plate includes hook-and-loop closures secured in place with custom Box rivets. Did you know that these stylish creations are also the official number plate of the UCI/GSX Super Cross Series? FEATURES - Hook & Loop Velcro Straps - Steel Rivets - Replaceable Number Pallet SPECIFICATIONS - Size: Small // Large - Dimensions: 6.5 x 9 inches (Small) // 8.25 x 9.5 inches (Large) - Weight: 84 g / 2.96 oz (Small) // 95 g / 3.35 oz

- Cold forged, CNC-machined cartridge body with self-aligning pivoting posts - Triple-compound 70mm pads

- Heat treated allow steel solid links with solid pins - Compatible with SRAM, Shimano, and Box 11 speed drivetrains - Also compatible with Box's 7 speed downhill specific drivetrain

Box One 7075 Alloy Chainring bolt kits include five 8.5-mm front bolts, five 6-mm front bolts, and five 5-mm rear nuts, so they will fit just about any chainring/crank combination, including those with threaded holes.

Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight. A minimalist design adds style while reducing their overall mass. Laser-etched graphics include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability. Fits most frames every time you remove and replace your wheel. When used correctly, Box One tensioners will protect your frame dropouts and hold your rear wheel in place. Keep in mind. However, they aren’t indestructible (neither are your dropouts). Install these lightweight chain tensioners with care and leave the 15-inch breaker bar in your toolbox. Features: - New and Improved - 45mm of Adjustment - XO Skeleton Design - Dual-Sided Adjustment Grid - Dual-Color Adjustment Block Specs: - Axle Size: 10mm (3/8") only - Material: 7075-T6 Aluminum - Hardware: Stainless Steel

Manufactured in the US by ODI, Box One grips feature a hexagonal textured pattern over more than 85 percent of the grip to ensure proper traction and comfort. Comfort ribs support and cushion the rider’s thumbs, while material has been removed from non-contact areas to save weight. Box One Grips are available in black and include four standard, ODI Lock-On grip clamps with laser-etched Box logos and two Snap Cap end plugs. Of course Box One Grips work seamlessly with Genius Brake Levers and the new Genius Grip Clamp, which are available separately. Specs: - Width 130mm - Origin Made in the USA - Compatibility Genius Brake Levers & Grip Clamps (sold separately) - Weight 102 grams / 3.6 ounces

Box Three V-Point Brake Levers are the most versatile levers in the entire Box family. Available in either short or long reach versions, Box Three Levers are reversible, allowing users to 'flip' the lever for use on either side of the handlebar. Other features include reaching adjustment for accurate positioning and a barrel adjuster to fine-tune cable tension.

The Box Four shifter's main features aren't strikingly different from Box Three's. The key difference is its 8-speed platform. We've chosen to modernize the 8-speed in much the same way we did the 9-speed for Prime 9. Just like the Prime 9, the Box Four shifters take advantage of the "less is more" theme and exploit durability, simplicity, and reliability. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes). -Our 8 is Enough Shifter -Lightweight Extruded Clamp -Responsive 2 Piece Pull Lever -MTB Style Release Lever (V2) Weight: 128g/4.5oz

- CNC-machined 6061-T6 aluminum with titanium hardware - Zero-friction cam surface treatment ensures smooth lever action - 31.8mm - 27g

Box Two™ Brake Post Extenders are the perfect solution for those riders needing extra brake pad adjustment without switching frame sizes. CNC-machined from 6061-T6 aluminum, Box Two™ Brake Post Extenders easily mount to any frame's existing cantilever brake bosses. They provide an additional 16 mm of brake arm positioning. Typically, they are most useful when a rider transitions from one wheel size to the next (i.e., 451 to 406). Depending on your application, they can be mounted in either one of two positions -- above the frame's v-brake mounts or below (see Technical). FEATURES: - Cantilever brake boss compatible - 16 mm of brake arm positioning - 6061-T6 aluminum - Thread M10 x 1.25 SPECIFICATIONS: - Material: 6061-T6 Aluminum - Thread: M10 x 1.25 - Weight: 32 grams / 1.1 ounces

Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.

Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.

Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.

The Box Three BMX Disc Brake Caliper is here! With a post-style mounting interface made of carbon steel, this disc brake caliper is all you need to improve control. Weighing only 130 grams, this lightweight gadget will spring you smoothly through every turn. All you need to do is focus on the finish line. FEATURES - Post mounting interface. - BMX brake lever compatible. - Mechanically (cable) actuated. COMPATIBILITY - Compatible will all size rotors - Compatible replacement pads are BB5 SPECIFICATIONS - Material: Carbon Steel - Weight: 130g

DESCRIPTION The Box Three Brake is available in 85mm with short reach lever or 108mm with long reach lever. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. The Philips head tension screws aid installation and makes toe-in adjustments simple and easy. FEATURES - Cold Forged from 6061-T6 Aluminum - Up to 35mm of brake pad adjustment - Box Three™ Air Flow Brake Shoes w/ Dual Compound Pads - Brass bushings, Stainless Steel Hardware - Phillips head tension screw - 5mn allen key to secure cable on right arm

Perfect for BMX Racing “Warm-ups or Cool-Downs,” this lightweight seat post is made from 2014 aluminum alloy, and a cold-forged aluminum alloy head gives the Box Two™ Seatpost a superb strength-to-weight ratio. The two-bolt head design ensures solid seat positioning and plenty of adjustment. Each post has 20 millimeters of setback and 26 degrees of seat angle adjustment. FEATURES - Secure Dual Bolt Clamping System - 0-25 °Tilt Adjustment for Comfort

Box Two Saddles are the first of their kind, featuring a proprietary co-molded nylon shell and carbon fiber Seatpost. Super lightweight and designed specifically for BMX racing, they feature the Box logo molded into the top and have reduced profiles to prevent snagging on pants. FEATURES - Impact-Resistant - Minimum Insert Indicator - Durable Construction

The Box Three shifter makes good use of nylon composites in both top and bottom shells as well as the levers. Box Three is our performance and value tier. So this shifter sheds all the fancy trappings of the top 2 tiers but maintains their shifting characteristics. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

The Box Three shifter makes good use of nylon composites in both top and bottom shells as well as the levers. Box Three is our performance and value tier. So this shifter sheds all the fancy trappings of the top 2 tiers but maintains their shifting characteristics. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

Box Two™ Integrated headsets feature an aluminum top cap, CNC-machined bearing cover, and split crown race with super-smooth rolling, precision 45x45 bearings. FEATURES - Precision Sealed Bearings IMPORTANT NOTES This headset was designed to allow 1-inch forks with frames that have 1-1/8-inch integrated head tubes. COMPATIBILITY - Box One XS Fork - Box One XE Fork - Box One Stem Lock - Frames with a 1" Integrated NON-Tapered Head-Tube

Box Two™ Integrated headsets feature an aluminum top cap, CNC-machined bearing cover, and solid crown race with super-smooth rolling, angular contact bearings. FEATURES - Precision Sealed Bearings COMPATIBILITY - Box One XS Fork - Box One XE Fork - Box One Stem Lock - Frames with a 1" Integrated NON-Tapered Head-Tube

Box Two Square Taper Chromoly Bottom Brackets are the best option for young BMX racers and other users of three-piece cranks in search of an affordable, high-performance square taper bottom bracket. Each bottom bracket is hand-assembled with a Chromoly spindle, sealed bearings, forged and CNC-machined alloy cups, and a composite center spacer/seal. Features: - Precision Abec-5 Sealed Bearings Compatibility: - Box Five Square Taper Crankset Specs: - Process: CNC-Machined Cups Material: - Spindle: Chromoly - Cups - Alloy - Sleeve - ABS Plastic - Finish: Nickel Coating - Spindle Type: JIS Square Taper - Spindle Length: 108mm or 113mm - Shell Width: 68mm - Thread: 1.37" x 24 TPI - Compatibility: BSA Threaded - Weight [108-113] (+/- 5%): 272 g / 9.6 oz

- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear

The Box One Disc Brake Adapter is designed to improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3-10mm hubs, the Box Disc Brake Adapter goes over your hub’s axle and mates with the frame’s dropout in the right configurations allowing mounting of a standard post mount disc brake caliper. Please note this product is NOT universally compatible. We strongly recommend reading the Compatibility and Installation instructions for details before purchasing Compatibility: - Box Three Pro Disc Hub - Box Three Brake Caliper - Box Three 140mm Disc Brake Rotor - ALL Box Brake Levers - Box Linear Brake Cables Specs: - Post Mount Caliper Compatibility - 140mm Brake Rotor Only - 6061-T6 Aluminum - Standard 10mm Dropout - 60g - Fits 3 - 10mm hubs (See Compatibility Below) - 150lb Rider Weight Limit

The Box One Disc Brake Adapter is designed to improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3-10mm hubs, the Box Disc Brake Adapter goes over your hub’s axle and mates with the frame’s dropout in the right configurations allowing mounting of a standard post mount disc brake caliper. Please note this product is NOT universally compatible. We strongly recommend reading the Compatibility and Installation instructions for details before purchasing. FEATURES - 3-10mm hub - 6061-T6 aluminum - 140mm Brake Rotor Only - Post Mount Caliper Compatibility - 150lb Rider Weight Limit

Box One™ 120 TPI Folding Tires were engineered with a minimalist approach to hit lofty goals for weight, traction, rolling resistance, and rebound. At its heart is a super-supple 120TPI casing where we forced in as much rubber displacing nylon as possible. Skin walls are employed to reduce drag and further reduce weight. We flanked the high-density casing with a tightly packed hoop of aramid fibers. Finally, we draped this all with BMX race-specific tread that transitions from a center band with a large contact patch to unidirectional tactile knobbies on the sides. This aggressive combination allows for maximum traction out of the gate, immense adhesion in the corners, and low rolling resistance in the straights. A state-of-the-art mixture of compounds is used in various areas of the apex, wall, bead seat, and center – with higher silica content in the tread to again remove more weight. Note: Not a tubeless tire FEATURES: - 120 TPI High-Density Casing - Aramid Folding Bead - High-Traction Directional Grooves for Starting Gate Grip Point - Low Rolling Resistance Center Strip Chevrons - Countless Ramped Hexagonal Directional Knobbies

The Box Four E-Bike Cassette offers high gears with more teeth to withstand the rigors of modern E-Bike riding. Adding an extra tooth to each of the three highest gears provides increased durability and decreased wear by distributing the load over a larger area! Box Four adapts our Prime 9 philosophy of durability, simplicity, and reliability at a great price point. All cogs are stamped from steel, given our durable black coating and then the larger cogs are pinned to each other with spacers for easy installation. FEATURES - Our 8 is Enough Cassette - Steel Stamped Cogs - No Spiders - Wide Ratio & Consistent Progression SPECIFICATIONS Process/Material - Cogs: Stamped / Hardened Steel - Spider: Stamped / Hardened Steel - Lockring: CNC / Hardened Steel - Finish: ED Black - Speeds: 8 - Gear: 12 - 14 - 16 - 18 - 22 - 28 - 34 - 42 - Weight: 485g/17.1oz Compatibility - Platform - Non-Ebike - Driver: HG Freehub Body - Chain: Box Four 8 Speed

The Box Four cassette adapts our Prime 9 philosophy of durability, simplicity, and reliability at a great price point. All cogs are stamped from steel, given our durable black coating and then the larger cogs are pinned to each other with spacers for easy installation. - Compatible with HG freehub bodies - Steel stamped cogs - No spiders - Wide ratio and consistent progression - ED black protection

The Box Two Front Top is a modern 1 inch by 22.2mm stem designed specifically for BMX racing. Box Two Top Load stem bodies are cold-forged and CNC-machined from the highest quality 6061-T6 aluminum. The lightweight front clamps are cold-forged and CNC-machined for increased stiffness and strength. -Material: 6061-T6 Aluminum -Process: Cold-Forged -Hardware: Chromoly Clamping Bolts -Finish: Anodized w/Laser-Etched Graphics Weight: -40mm: 138 g / 4.9 oz -45mm: 150 g / 5.3 oz

The Box Two Front Top is a modern 1-1/8 inch by 22.2mm stem designed specifically for BMX racing. Box Two Top Load stem bodies are cold-forged and CNC-machined from the highest quality 6061-T6 aluminum. The lightweight front clamps are cold-forged and CNC-machined for increased stiffness and strength. -Material: 6061-T6 Aluminum -Process: Cold-Forged -Hardware: Chromoly Clamping Bolts -Finish: Anodized w/Laser-Etched Graphics Weight: -48mm: 234 g / 8.3 oz -53mm: 240 g / 8.5 oz

Made in the US from 6061-T6 aluminum alloy, Box Two Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth.

The Box Two Front Load is a modern, 22.2 stem designed specifically for BMX racing. Box Two Front Load stem bodies are cold-forged and CNC-machined from the highest quality 6061-T6 aluminum. The lightweight front clamps are cold-forged and CNC-machined for increased stiffness and strength. -Material: 6061-T6 Aluminum -Process: Cold-Forged -Hardware: Chromoly Clamping Bolts -Finish: Anodized w/Laser-Etched Graphics Weight: · 48mm: 224 g / 7.9 oz · 53mm: 230 g / 8.1 oz

We looked to our exceptionally popular Phase One number plates for inspiration when we designed the new Phase One bike stand. Made from durable injection molded ABS plastic, these stands have two large carrying handles and a wide footprint for stability. They can be attached side-by-side to other Phase One bike stands to create a row of stands and have an adjustable slot width, so they fit most BMX tire sizes. Each stand comes with two side panels that can be customized with your number or sponsor stickers. Or, because they are the exact same dimensions as the Box large-size Phase One number plates, you can also use your custom number plate sticker so you can always find your bike stand in the pits. - Tire Size Approx. 1" to 2 1/2" - Weight 1206 grams / 42.6 ounces

All Box headsets are engineered and crafted using our Oversized Technology. As we follow the load paths down the handlebars, through the stem-to-bar interface, we arrive at the headset focal point. Since any steering stiffness can easily be lost to headset play, we have concentrated our attention on manufacturing tolerances and quality of materials for the bearing, CNC bearing cover, and crown race. Now that this junction is steadfast you can rest assured that your cockpit’s steering stiffness will transfer onto the fork. When combined with Box’s other Oversized components, you’ll experience heightened responsiveness and reduced latency. Key differences: In this particular model headset we’ve gone to a 1.5” bottom race to fill a tapered head tube. This mates with our oversized X5 carbon fork. Larger and smoother contact areas spread the load effectively and counteract flex. FEATURES - Oversized Technology™ - Massive 1.5” Diameter - Massive Sealed Bearings - Star-Nut Compression System - Includes 1-?” Reducer Race for 1-1/8” Steerer Tube COMPATIBILITY - Box One X5 Fork - Box One X2 Fork - Box One XL Fork - Frames with an Integrated NON-Tapered Head Tube

The Box Two shifter is the only shifter on the market (other than our Box One) that comes factory stock with a hinged clamp. Box Two is our performance tier so this shifter still maintains the durable cast aluminum top shell but trades out the Box One's 1-piece pull-lever for a 2-piece resin and steel variant. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

The Box Two shifter is the only shifter on the market (other than our Box One) that comes factory stock with a hinged clamp. Box Two is our performance tier so this shifter still maintains the durable cast aluminum top shell but trades out the Box One's 1-piece pull-lever for a 2-piece resin and steel variant. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light; this makes it a perfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendly.

The Box Three Brake is available in 85mm with short reach lever or 108mm with long reach lever. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. The Philips head tension screws aid installation and makes toe-in adjustments simple and easy. Box Three V-Point Brake Levers are the most versatile levers in the entire Box family. Available in either short or long reach versions, Box Three Levers are reversible, allowing users to 'flip' the lever for use on either side of the handlebar. Other features include reaching adjustment for accurate positioning and a barrel adjuster to fine-tune cable tension. - Cold Forged from 6061-T6 Aluminum - Up to 35mm of brake pad adjustment - Box Three Air Flow Brake Shoes w/ Dual Compound Pads - Brass bushings, stainless steel hardware - Phillips head tension screw - 5mn allen key to secure cable on right arm - Includes Box Two Black Brake Housing and Stainless Steel Cable

- Superlight co-molded nylon shell and carbon fiber seatpost specifically for BMX Race - Large saddle has a 27.2 seatpost, while the small has a 22.2 post

Featuring a JIS square taper standard, our oversized bottom bracket interface showcases a step-down shape specific to the crank arm-length meeting at the pedal boss. Unlike alternative options, no two lengths are the same. Our durable cold-forged cranksets are available in sizes from 135mm through 170mm and employ a 5-bolt 110 BCD chainring pattern. All JIS square taper standard cranks are compatible with all BSA European-style square taper bottom brackets. FEATURES - Oversized Bottom Bracket Interface - Durable Cold-Forged Construction - JIS Square Taper Design COMPATIBILITY - Box One Bottom Bracket Square-Taper Titanium/Carbon - Box Two Bottom Bracket Square-Taper Chromoly - Box Three Square Taper Steel Bottom Bracket - Box One Chromoly Chainring Bolts - Box One 7075 Alloy Chainring Bolts

All Box stems are engineered and crafted using our Oversized Technology. As we follow the load paths down the handlebars we have focused our attention on the stem-to-bar interface. Since the Oversized handlebars have an increased wall thickness and tube diameter in this sector we have reciprocated with an augmented stem interface with greater surface area. We’ve done this by moving material from low stress areas. This has greatly minimized twist and contributed to responsiveness. As the stem in mated with the handlebars we have contributed to increased pedaling stiffness by providing a backstop to the “lifting” phenomenon. There is no point pushing hard on your pedals if you can’t pull up on your handlebars and deliver that power. Power can easily be lost to handlebar-to-stem deflection and the consequences can be poor power delivery and steering control. When combined with Box’s other Oversized components, you’ll experience heightened responsiveness and reduced latency. Key differences: This particular model stem pushes our Oversized Technology to the extreme as it maximizes the shift of material from low stress zones to the Oversized interface. These stems are engineered for the smaller-sized racers. -Lightweight 3D Hollow Design -Front-Load Clamp Design to Fight Pull-Up Forces -Large Bar Bore -Large Hollow Clamping Bolts -Superior Strength

The Box One 7-speed Downhill multi shifter is packed with top of the line features such as a machined lightweight clamp, durable cast aluminum pull lever and top shell. Like the derailleur it is also based on our 11-speed system, but here we have revised the internals for the rigors of its DH application. -Aluminum • Glass Fiber / Nylon Composite Materials -Hard Onyx™ Finish -Fast Action Release Lever (V1) -Lightweight Hinged & Machined Clamp -Die Cast Top Shell -Aluminum • Steel Hardware -1 pc Pull Lever / Up to 3 Gears Per Shift (Multi*) -Speeds 7 Speed -Material 6061-T6 Aluminum, Carbon Fiber/Nylon Composite -Hardware Aluminum / Cr-Mo Alloy

The Box Three E-Bike Cassette offers high gears with more teeth to withstand the rigors of modern E-Bike riding. Adding an extra tooth to each of the three highest gears provides increased durability and decreased wear by distributing the load over a larger area! The Box Three E-bike cassette draws from both of its Box One and Box Two siblings to create a sensible all-rounder. All cogs are stamped from steel and subsequently, the larger ones are pinned to steel spiders. The main difference here versus Box Two is the use of additional weight-reducing holes on the cogs. FEATURES - Our Best All-Rounder Cassette - Steel Stamped Cogs - Steel Stamped Spiders - Ultra-Wide Ratio with Consistent Progression COMPATIBILITY - Box One Prime 9 Chain 126L DLC Black - Box Two Prime 9 126 Link Chain Nickel - Box Three Prime 9 126 Link Chain Polished - Box One Prime 9 Rear Derailleur - Box Two Prime 9 X-Wide Rear Derailleur Black - Box Three Prime 9 X-Wide Rear Derailleur Black - Box One Prime 9 Single Shifter Black - Box Two Prime 9 Single Shifter Black - Box Three Prime 9 Single Shifter Black

The Box One multi shifter is the only shifter on the market that comes factory stock with a hinged (and machined) clamp. It's top of the line and comes packed with other features such as a durable cast aluminum pull lever and top shell. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

The Box One multi shifter is the only shifter on the market that comes factory stock with a hinged (and machined) clamp. It's top of the line and comes packed with other features such as a durable cast aluminum pull lever and top shell. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

The Box Three Prime 9 cassette is a great all-around cassette option. All cogs are stamped from steel and subsequently, the larger ones are pinned to alloy spiders. It also features weight-reducing holes on the cogs. - The Box Three Prime 9 offers ultra-wide ratio with consistent progressions - Prime 9 technology offers the same range as a 12-speed drivetrain, with fewer gears to shift through - Fewer parts, reduced weight, and increased durability - Cogs pinned to lightweight spiders - Constructed using a standard freehub body (HG) - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 9 - Designed for ebike: Yes - Color: ED Black

- Cold-forged, CNC-machined 6061-T6 aluminum with built-in return spring - Clamp integrates with ODI Lock-On grips - 50g

Box One Genius brake levers are the first ever to incorporate a clamp for ODI Lock-On grips. This ensures that your grips stay put while eliminating the need for an extra clamp. At roughly 50 grams, these cold-forged and CNC-machined levers beat any other on the market. Genius levers have a built-in return spring and are fully compatible with carbon handlebars. The Mid reach lever features a new design that puts it in the same reach position as the Long, but with a more BMX-specific blade for better one-finger leverage. Other features include adjustable reach, a titanium mounting bolt, and stainless steel hardware. Genius levers are designed to work with linear-pull brakes. They are excellent for BMX, mountain, city, urban, and tandem flat-bar bicycles.

The Box Three Rear Derailleur simplifies the features found on the Prime 9 Box One and Two rear derailleurs making for a fully featured wallet friendly rear derailleur. Including a Limited Slip Clutch, Sealed bearing pulleys and a solid construction Box Three Rear derailleurs are compatible with 11-46 and 11-50t derailleurs making it one of the most versatile derailleur offerings for Prime 9.

Hollow stems are cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design and a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218 grams/7.7 ounces. By removing the rear pinch bolts and moving the mounting bolts to the middle of the stem, we reduced the weight and size and eliminated a serious hazard to the rider’s knees. These stems come with either a 48- or 53mm extension and a 22.2mm bar bore. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes.

Tested extensively by the Dutch National BMX Team, Damien Godet, Kory Cook, and numerous other elite racers, Box Two™ Freewheels combine durability with lightning-fast engagement. They feature nine, super durable pawls and are available in one of three choices -- 16, 17, or 18 teeth. To install, use the Park Tools™ FR-6 or other installation tool designed for single-speed freewheels with four notches that are approximately 32mm across measured inside to inside and 40mm outside to outside. FEATURES - 9 Pawls 108 [3.3°] Points of Fast Engagement

All Box handlebars are engineered and crafted using our Oversized Technology. Handlebars have a dual purpose as they contribute to both steering and pedaling stiffness. By strategically varying wall thicknesses and tube diameters, we have moved material from 3 low-stress areas to zones of high load. This has greatly minimized twists and contributed to responsiveness. Concurrently we have increased pedaling stiffness by providing a backstop to the “lifting” phenomenon. There is no point pushing hard on your pedals if you can’t pull up on your handlebars and deliver that power. Power can easily be lost to handlebar deflection and the consequences can lead to poor power delivery and steering control. When combined with Box’s other Oversized components, you’ll experience heightened responsiveness and reduced latency. Key differences: This particular model handlebar is tailored for medium-sized racers so we decided to use hardened aluminum alloy to reduce unnecessary mass. FEATURES - Oversized™ Technology - Hardened Aluminum - To Reduce Unnecessary Mass for Medium-Sized Racers - Massive Clamp Interface for Steering Stiffness - Variable Wall Thickness to Reduce Weight