Box Components

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...

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...

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...

Box One 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...

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...

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...

Initially designed for the European market’s UCI races, these are also a requirement for USABMX Nationals. The Box Two Side Number Plates are shaped from embossed foam and feature full-color printed graphics. They comply with UCI regulations and fit all bicycle frames. Hook-and-loop straps...

The Box Three Disc Brake Rotor is a Stainless Steel, 6 bolt rotor designed for BMX Race. Utilizing a small size and rounded outside edges for safety is the optimal size for any BMX Race bike.   ISO 6 bolt brake/hub interfaceRounded outside edgesLightweight...

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...

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...

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...

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 46 teeth.

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.

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...

Box Two™ Quick Release Seat Clamps are cold-forged, and CNC machined from 6061-T6 aluminum alloy. Weighing in at just 27 grams/ 0.95 ounces in the 31.8 size, they are as lightweight as tough. The head of the quick-release lever and the face of the...

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...

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...

A nylon adhesive-backed rim tape that gets stuck to the rim to protect your tube from the spoke holes. Each roll of tape is long enough to fit up to a 24-inch rim and is easily trimmed to fit a 20inch.

Box Two™ Integrated headsets feature an aluminum top cap, CNC-machined bearing cover, and split crown race with super-smooth rolling, precision 45x45 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...

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...

The Box Three Brake is available in 85mm108mm. 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 One Single-Speed Chromoly Cogs are CNC-machined from long-wearing CNC-machined from chrome-molybdenum. It's designed to fit Shimano™ compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body.  

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...

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 One and Two cranksets are engineered and crafted using our Oversized Technology. we all know that there is no use pushing hard on your pedals if you can’t deliver most of that power to the rear wheel. During the creation of our...

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...

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...

Extruded and CNC-machined from 6061-T6 aluminum, Box Two™ Stem Spacer Kits feature a lightweight design. Weights range from 0.24 to 0.29 ounces (6.7 to 8.2 grams), depending on the size. Sold in packs of five, each set provides spacing adjustments from 1 to 20...

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...

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 Two™ Integrated Headsets feature an aluminum compression cap, CNC-machined bearing cover, and split crown race with super-smooth rolling, precision 45x45 bearings. 

The Box Three Crankset features a hollow-forged 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...

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...

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...

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....

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...

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 One and Two cranksets are engineered and crafted using our Oversized Technology. we all know that there is no use pushing hard on your pedals if you can’t deliver most of that power to the rear wheel. During the creation of our...

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:...

DESCRIPTION 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...

The Box One Rims feature a double-walled, eyeleted, low profile designed optimized to be lightweight and durable! Offered in both brake and brake-less variants, allow for clean and sleek wheel builds that only have rim brake tracks where they need to be. FEATURES Low...

Several of the upper tier Box bottom brackets were engineered using our Oversized Technology. These were developed in concert with our crank sets. We all know that there is no use pushing hard on your pedals if you can’t deliver most of that power...

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...

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. FEATURES 8.5mm/12mm Male Bolt6.5mm/12mm Male Bolt4mm/12mm Female BoltThread Pitch...

DESCRIPTION All Box One forks are engineered and crafted using our Oversized Technology. These forks are the single most crucial 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...

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...

DESCRIPTION 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 ForkBox One XE ForkBox One Stem LockFrames with an 1" Integrated NON-Tapered Head-Tube...

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...