Box Components

Box One Stem Lock is cold forged. The Stem Lock is set up to help get your headset tight as well as offer protection in case of an issue with a br...

The Box Two Saddle Alloy Post is super lightweight and specifically designed for BMX racing. Featuring a proprietary co-molded nylon shell with red...

The Box Two Square Taper Chromoly Bottom Bracket is a perfect option for young riders looking for a high quality yest affordable square tapered bot...

The Box Three Wire Bead 29" Tire is a cost effective race tire. Lots of function for not a lot of money.  Skin walls are employed to reduce drag a...

The Box Three Wire Bead Tire is a cost effective race tire. Lots of function for not a lot of money.  Skin walls are employed to reduce drag and f...

The Box Three chain is polished and then chemically treated to achieve corrosion resistance. All Prime 9 chains have chamfered shifting edges, soli...

The Box One 120TPI Folding Tire take a minimalist approach to give you everything you need without all the gimmicks. Box delivered a tire to hit al...

The Box One Square Taper Titanium/Carbon Bottom Bracket features precision sealed bearings and cold-forged, aluminum CNC machined cups. It is a thr...

The Box One V-Brakes are the gold standard of V-Brakes. The Box One brakes are the only ones in Box's lineup that use their oversized technology. T...

The Box Two 1" Integrated Conversion Headset features an aluminum top cap, CNC-machined bearing cover, and split crown race with super-smooth rolli...

The Box Two Integrated Headset features an aluminum compression cap, CNC-machined bearing cover, and split crown race with super-smooth rolling, pr...

The Box One Quick Release Seat Post Clamp are cold forged with a clean CNC machined look from 6061-T6 aluminum. Convenient quick release design tha...

The Box Two 1" Integrated Headset features an aluminum top cap, CNC-machined bearing cover, and solid crown race with super-smooth rolling, angular...

Box Two Chainring Extruded and CNC machined 6061-T6 aluminum Anodized finish with laser etched graphics Four bolt 104mm BCD 3/32" Made in the USA ...

The Box Three Wire Bead 26" Tire is a cost effective race tire. Lots of function for not a lot of money.  Skin walls are employed to reduce drag a...

The Box One Oversized Top Load Stem uses 6061-T6 Aluminum that is cold forged to give it an overall greater stiffness. Box's oversized technology f...

Box One Valve Caps (Schrader) CNC machined from 6061-T6 aluminum alloy Anodized Laser etched box logos For schrader valves

The Box One X5 Pro Carbon Fork are engineered and crafted using Box's Oversized Technology. These forks are the single most important component in ...

The Box One X2 Pro Carbon Fork are engineered and crafted using Box's Oversized Technology. These forks are the most critical component in the ques...

The Box Two Top Load Stem 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 ...

The Box Two Oversized External Bottom Bracket (30mm) is designed to get more "direct power" and eliminate some of the standard drivetrain loss.  Du...

Replacement crank spindle fixing bolt for Box Three and Box Four 2-piece cranks. FEATURES Anodized Aluminum 6mm Hex Key Broach COMPATIBILITY ...

The Box One XE Expert Carbon 24" Fork is tailored for more miniature racers and includes a lighter weight 1 inch 7000 series aluminum steerer tube ...

The Box One X5 Pro Carbon 24" Fork are engineered and crafted using Box's Oversized Technology. These forks are the single most important component...