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BOX Components
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Box Two Brake Post Extender
Box Two™ Brake Post Extenders are the perfect solution for those riders in need of 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 and provide an additional 16 mm of brake arm positioning. Typically, they are most useful when a rider transitions... Box Two™ Brake Post Extenders are the perfect solution for those rider... -
Box One Aluminum Tubeless Valves
Box One Tubeless Valves Fewer flats, an extremely supple ride and improved traction are but some of the benefits of running tubeless rims & tires. With an anodized aluminum body, Box One™ Tubeless Valves help ensure an air-tight seal for your tubeless setup. Extremely lightweight and resistant to corrosion, each valve includes a removable core and special lock-nut with wrench flats... Box One Tubeless Valves Fewer flats, an extremely supple ride and improv... -
Box Two 11SP 11-46T MTB cassette 11 speeds
Box Two cassette 11-46T, 11 speeds Made of hi-tensile steel and 7075-T6 aluminum, the Box Two™ 11-46 cassette helps bring the steepest climbs within reach by providing a massive gear range of 418 percent. Two aluminum carriers hold the largest seven cogs while four individual cogs are separated with aluminum spacers. Each cog features ramped teeth for improved shifting. Box... Box Two cassette 11-46T, 11 speeds Made of hi-tensile steel and 70... -
Box One XL Carbon racing fork - 1-1/8" /20"x10mm
The highest quality, carbon-fiber, BMX racing forks. With six X-Fork models available in 12 different configurations, no one has a wider selection. Every model features a rider-specific design that is strong, lightweight, reliable and meets the demands of the fastest racers. Whether it’s the standard X, the lightweight XL, the oversize Pro X2, XE Expert, the XS Mini or the new oversize X5... The highest quality, carbon-fiber, BMX racing forks. With six X-Fork models ava... -
BOX Echelon Carbon Small 22,2 mm saddle
BOX Echelon saddle BOX ECHELON RACE SADDLES Echelon Race 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 come in two sizes. Avalable in three models, two are unpadded and feature the BOX logo molded into the top. The large saddle has a 27.2 seatpost, while... BOX Echelon saddle BOX ECHELON RACE SADDLES Echelon Race saddles a... -
BOX One Rear derailleur 11 speed
The Box One™ Rear Derailleur is the centerpiece in our first generation mountain bike drivetrain. Patent pending CamClutch™ technology reduces chain movement* and maintains chain tension. Housed in a carbon fiber/nylon composite body, the clutch mechanism uses a clever, one-way friction plate to increase tension as the cage moves forward and release tension as it travels back. Patent pending... The Box One™ Rear Derailleur is the centerpiece in our first generation mount... -
Box Carbon BMX racing fork - XE Expert Carbon 1" /20"x10mm
The highest quality, carbon-fiber, BMX racing forks. With six X-Fork models available in 12 different configurations, no one has a wider selection. Every model features a rider-specific design that is strong, lightweight, reliable and meets the demands of the fastest racers. Whether it’s the standard X, the lightweight XL, the oversize Pro X2, XE Expert, the XS Mini or the new oversize X5... The highest quality, carbon-fiber, BMX racing forks. With six X-Fork models ava... -
Box One Chain Tensioners 10 mm x 2 axle holes red
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 that include wheel position guides and two 10mm mounting holes ensure perfect adjustability on most frames every time you remove and replace your wheel. When used properly,... Box One™ Chain Tensioners are extruded then CNC-machined from 7075 alu... -
Box Two 7SP DH 11-24T MTB cassette 7 speeds
Box Two cassette 7SP 11-24T, 7 speeds 7-speed cassette (11-speed spacing) with close-range gear ratios optimized for DH racing. Spacer replaces unused low gears. Use only with short cage derailleurs and traditional MTB freehubs. Cogs 11-13-15-17-19-21-24 Hub Compatibility Shimano® Speed 7 speed Material Steel & 7075-T6 Aluminum Weight 196 grams / 6.9 ounces Box Two cassette 7SP 11-24T, 7 speeds 7-speed cassette (11-speed spacing... -
Box One X2 Pro Carbon BMX racing fork 20" - axle 20/10mm
Box One X2 Carbon fork The highest quality, carbon-fiber, BMX racing forks. With six X-Fork models Every model features a rider-specific design that is strong, lightweight, reliable and meets the demands of the fastest racers. Forks are for BMX racing only and not meant for freestyle riding or dirt jumping. Meets or exceeds ENBMX New Steerer Tube and Fork Crown Interface 1... Box One X2 Carbon fork The highest quality, carbon-fiber, BMX racing forks. Wit... -
BOX Push Push Shifter
Box PushPush shifting system. Shifting in our new system is controlled by a thumb-activated unit that uses only one lever. This design uses two unique motions to initiate up or down shifts, providing lightning quick and intuitive gear changes -- push the lever forward to shift down and push the lever inward to shift up to a higher gear. With an all thumb activation, the index and middle fingers... Box PushPush shifting system. Shifting in our new system is controlled by a thu... -
Box One X5 Pro Carbon BMX racing fork 20" - Tapered 20mm
Box One X5 Carbon fork The highest quality, carbon-fiber, BMX racing forks. With six X-Fork models Every model features a rider-specific design that is strong, lightweight, reliable and meets the demands of the fastest racers. Forks are for BMX racing only and not meant for freestyle riding or dirt jumping. Meets or exceeds ENBMX New Steerer Tube and Fork Crown Interface 1... Box One X5 Carbon fork The highest quality, carbon-fiber, BMX racing forks. Wit...