Box Components

The Box Three Pro Hubs are our most affordable hubs, but don't be fooled they are still packed full of features! Our Box Three Pro Disc Rear hub has a super-fast 120 Tooth Engagement system, precision sealed bearings, a steel 10mm axle, AND a...

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.

 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...

Description Did you know that you can mix and match Prime 9?  Can't decide between the modern basics of Box Three and the long service life of Box Two? Well, you don't need to! With this pre-configured and pre-tested option, you'll receive a Box Three...

Replacement cone set for Hollow Hubs. Each cone is made from high-strength aluminum and includes a knurled steel ring to keep the cone from rotating while in the dropout. Choose from front or rear versions.

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...

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...

The Box Three Pro Hubs are our most affordable hubs, but don't be fooled they are still packed full of features! Our Box Three Pro Rear hub has a super-fast 120 Tooth Engagement system, precision sealed bearings, a steel 10mm axle. This creates a...

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...

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 Oversized Single Speed Cog The Box One Oversized Single Speed Cog is engineered for elite BMX racers seeking maximum drivetrain efficiency, durability, and power transfer. Precision CNC machined from premium chromoly steel, this race-proven cog delivers exceptional strength and wear resistance while...

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...

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.

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...

Brand new Box One rims built on Box/SD hubs 36h. Rims: Box One Pro Black 36h Hubs: Box Three 10mm Rear / SD Ace 20mm Front (disc compatible) Spokes: 15g DB iron Black Nipples: 15g Alloy Black

Brand new Box One rims built on Box hubs 36h. Rims: Box One Pro Black 36h Hubs: Box Three 10mm Rear / Box Three 10mm Spokes: 15g DB iron Black Nipples: 15g Alloy Black

Brand new Box One rims built on Box/Onyx hubs 36h. Rims: Box One Pro Black 36h Hubs: Onyx Ultra Rear / Onyx Helix 20mm Front (disc compatible) Spokes: 15g DB iron Black Nipples: 15g Alloy Black

Built for racers who want proven performance and exceptional value, this wheelset combines the all-new Box One Pro aluminum rims with a dependable Box Three rear hub and SD Ace front hub. The lightweight, race-ready build delivers excellent stiffness, durability, and acceleration for riders...