Products

When you want to go incognito, but don’t mind if you get noticed… BOUNDLESS sunglasses offer retro cat-eye style that tells the rest of the world you know something they don’t. Slim, round, sleek, and dripping with that classic movie star style. If you...

Replacement pivot bolt kit for Box One™ Brake Levers. Titanium mounting bolt

 Replacement crank spindle fixing bolt for Box Three and Box Four 2-piece cranks. Anodized Aluminum6mm Hex Key Broach Material 6061 Aluminum COMPATIBILITY Box Three CranksetBox Four Crankset

The Box EB 2401 is one of the most popular and versatile bottom brackets in the Box lineup, designed to fit cranksets using standard 24mm spindle axles. Built for BSA/Euro threaded bottom bracket shells, the EB 2401 combines lightweight alloy cups with durable sealed...

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...

Our Box Four tier is for those people who just want less fuss! You're fond of Prime 9, but know 8 is enough, and surely 11-42T is plenty of range for an 8-speed cassette. Our derailleur still has the Limited Slip clutch but now...

Our Box Four tier is for those people who just want less fuss! You're fond of Prime 9, but know 8 is enough, and surely 11-42T is plenty of range for an 8-speed cassette. Our derailleur still has the Limited Slip clutch but now...

 Description Our Box Four tier is for those people who just want less fuss! You're fond of Prime 9, but know 8 is enough, and surely 11-42T is plenty of range for an 8-speed cassette. Our derailleur still has the Limited Slip clutch but...

The Box Four Crankset features a 2-piece design with an oversized bottom bracket interface. The 24mm spindle is pressed into the drive-side crank arm for durability and easy installation. The non-drive side crank arm features a 2-bolt pinch system for added strength. Our unique...

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...

Special discount on these demo 6.5" tall Titanium Box bars with a 26 1/8" width.  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...

All Box One forks are engineered and crafted using our Oversized Technology. These forks are the single most important component in the quest for bike control. We’ve moved carbon from areas of low stress to areas that handle high load. Those muscular shoulders aren’t...

Box One 7075 Alloy Chainring Bolt Kits are precision-machined from lightweight 7075 aluminum and include multiple bolt lengths to fit virtually any BMX chainring and crank combination, including cranks with threaded chainring mounting holes. Each kit includes two front bolt lengths, allowing compatibility with...

Box One 70mm Carbon Brake Pads were formulated with a special compound compatible with carbon fiber rims. This helps keep the heat down while still creating high-performance stopping power. Paired with our Box One Brake Pad Cartridge Body so you can pull them out...

The Box One Rims feature a double-walled, eyeleted, low profile design optimized to be both lightweight and durable! We offer these in both brake and brake-less variants. You’ll have a clean and sleek wheel build with rim brake tracks as needed. Low Profile DesignOptimized...

The Box One 20” Pro Rim is engineered for BMX racers looking for the perfect balance of low weight, stiffness, and durability. Featuring a double-wall, eyeleted construction with a low-profile design, these rims are optimized for modern race builds while maintaining the strength required...

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...

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...

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...

There is more to Box carbon headsets than their striking good looks. From top to bottom, the Box One™ Carbon Tapered Headset was designed to perform.Each unit features a custom CNC-machined aluminum compression cap in the shape of the Box logo with cut-outs to...

There is more to our carbon headsets than their striking good looks. From top to bottom, Box One™ Carbon Headsets was designed to perform. Each unit features a custom CNC-machined aluminum compression cap in the shape of the Box logo with cut-outs to reduce...

Ultra-lightweight Box One™ Carbon BMX Handlebars are made using advanced carbon fiber technology. Designed for maximum performance. Made for standard 22.2 bar bore stems. FEATURES • Carbon Fiber - For Extreme Weight Reduction• Carbon Fiber - More Aggressive Steering Response vs. Titanium SPECIFICATIONS Material:...

The Box One Lockring is extruded and CNC-machined from 6061-T6 aluminum and designed to be super lightweight. Replace that old steel lock ring you have now and save some weight while adding style and colour to your whip. Available in anodized red, blue, gold,...

The Box One Cassette Spacer Kit is extruded and CNC-machined from 6061-T6 aluminum and features a super lightweight minimalist design. Packaged in 4 piece kits which provide 1 to 10 millimeters of spacing adjustment to dial in that chain line.  

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...

Upgrade your drivetrain with the Box One 10mm or 15mm Conversion Rear Axle, built with Oversized Technology™ for maximum performance, strength, and adaptability. Crafted from high-grade 7075-T6 aluminum and CNC lathed for precision, this axle features an anodized finish with laser-etched graphics. Designed to fit oversized frame dropouts, it delivers exceptional steering and pedaling stiffness, perfectly complementing other Oversized™ components. With its convertible design, you can easily adapt a 20mm hub to fit 10mm or 15mm, making it ideal for versatile race setups. Adjustable from 125mm to 165mm, and weighing only 123g (10mm) or 86g (15mm), the Box One Conversion Axle is the go-to choice for serious BMX racers seeking rigid performance and reliable compatibility.

Box One™ 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 chainrings and cranks with threaded holes.

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  

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...

 Description 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...

Extruded and CNC-machined from 6061-T6 aluminum, Box One Stem Spacers feature an ultra-minimalist design that is super lightweight. Weights range from 0.02 to 0.14 ounces (0.56 to 4 grams), depending on the size. Sold in packs of five, each set provides spacing adjustments from...

DESCRIPTION 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...

The Hex Lab 3/32" Titanium Cogs are CNC-machined from bulletproof titanium. They are designed to fit Shimano™ compatible cassette hubs and have a 5mm wide inner base, giving a more solid interface with the cassette body.Key differences: The Hex Lab 3/32" CNC Titanium Cogs...

Box One Linear Brake Cable Kits are among the most advanced BMX brake cables on the market. The custom Concentric housing includes aramid fiber-wrapped aluminum/steel linear wires for the best combination of strength and low weight. The inner Nano Cable wires are treated with...

All Box One and Box Two cranksets are engineered around Box’s Oversized Technology™ platform with one primary objective: maximizing pedaling stiffness and power delivery. There is little benefit in pushing harder on the pedals if that energy cannot efficiently transfer to the rear wheel....

Box One M35 Crankset All Box One and Box Two cranksets are engineered around Box’s Oversized Technology™ platform with one primary goal in mind: maximizing power delivery and pedaling stiffness. After all, there’s no point pushing harder on the pedals if that energy cannot...

The Box One 20mm Adjustable Axle offers unparalleled versatility, having one size fitting all 20mm through hubs from 103 to 130mm, allowing it to fit seamlessly into your BMX racing setup. With its adjustable feature, you can fine-tune the axle to fit your frame...

Enhance your ride with the Box One Oversized 20mm Rear Lockring, a lightweight and durable upgrade to traditional steel lockrings. Designed for BMX racers who seek precision and performance, this lockring delivers weight savings without sacrificing strength, making it the perfect addition to your rear hub setup. Crafted from high-quality 6061-T6 aluminum and CNC-machined for a perfect fit, it features a sleek anodized finish with laser-etched graphics for a clean, professional look. The multi-tool compatible design works with Park Tool BBT-9 and other 44mm, 16-notch bottom bracket tools, ensuring quick and easy installation. With an 1.72 x 24 TPI thread pitch, 55.5mm outer diameter, and weighing just 8g (0.28oz), the Box One Oversized 20mm Rear Lockring is a must-have lightweight upgrade for your BMX setup.

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...

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...

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...

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 couldn't ignore the undeniable truth about bottom brackets. Traditional BBs lack the space necessary for the pedal stiffness you deserve. That's why we designed the B52 Bottom Bracket to bring Oversized Technology into your bike frame, breaking the mold in the bike builder's...

The Box One Flat Chromoly Handlebars are built for riders seeking maximum front-end stiffness and precise bike control. Manufactured from premium 4130 chromoly steel, these handlebars feature Box’s proprietary 13-butted construction and Oversized™ 31.8 mm clamp interface for exceptional strength and steering precision. Unlike...

The Box One Oversized Chromoly Handlebars are designed for BMX racers who demand maximum stiffness, strength, and power transfer. Constructed from premium 4130 chromoly steel and engineered around Box’s Oversized™ Technology, these handlebars deliver exceptional steering precision while reducing flex during hard sprint efforts....

Box One Quick Release Seat Clamps are cold-forged, and CNC machined from 6061-T6 aluminum alloy. A quick-release lever makes adjusting your seat height quick and easy. Weighing just 28 grams/1 ounces in the 31.8 sizes, it’s as lightweight as it is tough. The head...

All Box hub sets that with axle diameters of 15mm and up are engineered and crafted using our Oversized Technology. For steering stiffness we follow the load paths down the handlebars, through the stem, headset, and eventually to the fork-to-hub interface. To transfer as...

Quantum Axles are made from hard anodized 7075-T6 aluminum for strength and durability. These axles are designed for use with Quantum rear hubs only and are not compatible with other manufacturers' hubs. The 157mm version works best with traditional Chromoly and aluminum frames, while...

Box One 70mm Carbon Brake Pad Inserts were formulated with a special compound compatible with carbon fiber rims. This helps keep the heat down while still creating high-performance stopping power. Designed to fit standard BMX brake pads that accept replacement inserts! Sold as a...