The Delta stem is the first, modern, 31.8mm oversize stem designed specifically for BMX racing. When used with the Box Triple Taper Alloy or Box One Chromoly (aka Maximus) handlebars, you get the absolute stiffest cockpit available. This added stiffness significantly improves bike handling while putting more upper body power into your pedal stroke, translating into more forward momentum. The Delta stem body is extruded and CNC-machined from the highest quality 6061-T6 aluminum. The top clamps are cold forged and CNC-machined for increased stiffness and strength. Despite their size and girth, Delta stems weigh less than many standard size 22.2 stems. ###section### Product Specs TYPE: Top Load REACH: 48mm/53mm/60mm RISE: 0 CLAMPING DIAMETER: 31.8mm WEIGHT: 299 grams / 10.5 ounces (53mm) E3
Box One rims have a no-nonsense low-profile design that eliminates excess material, making them some of the lightest weight double-wall rims available. A 20 x 1.75 rim, for example, weighs just 362 grams/12.7 ounces. Strong and true, Box One rims have single eyelets to help prevent spoke pull-through, which means higher spoke tensions are possible. Available in 36-hole 20 and 24 x 1.75-inch, and 28-hole 20 and 24 x 1 1/8-inch sizes. Meets or exceeds ENBMX standards. Please note, Box One front rims lack a braking surface and are not designed to be used with rim brakes. Note: 99 lbs rider weight limit for 20 x 1 1/8" (451mm) and 24 x 1 1/8" (520mm) rims ###section### Product Specs WHEEL SIZE: 20" SEAM: Welded ERD: 391-512 HEIGHT: 14mm WIDTH: 17.5mm SPOKE HOLES: 28-36 WEIGHT: 20" x 1.75 (406mm): 295 grams/10.4 ounces 20" x 1 1/8 (451mm): 244 grams/8.6 ounces 24" x 1.75 (507mm): 400 grams/14.1 ounces 24" x 1 1/8 (520mm): 287 grams/10.1 ounces
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 they are tough. The head of the quick release lever and the face of the clamp are given a proprietary low-friction surface treatment that ensures smooth lever action for the life of the clamp, without the need for a bushing. Meets or exceeds ENM standards.
The Box Two Hollow Center Clamp stem is 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 218g/7.7oz. By removing the rear pinch bolts and moving the mounting bolts to the middle of the stem, Box reduced the weight and E3size and eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension and have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. ###section### Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4
Box Two integrated headsets feature an aluminum top cap, CNC-machined bearing cover, and split crown race with super-smooth rolling, precision bearings. The 1.5" headset is designed solely for tapered frames and forks but also includes an adapter which allows you to run a straight 1-1/8" inch fork in a tapered head tube. It has a 45° x 45° upper bearing and a 36°x45° lower bearing.
Box Two integrated headsets feature an aluminum top cap, CNC-machined bearing cover, and solid crown race with super-smooth rolling, angular contact bearings.
Box Two integrated Headsets feature an aluminum top cap, CNC-machined bearing cover, and split crown race with super smooth rolling, precision 45° x 45° bearings.
The Box Three Pro Disc Hub is made of a 6061 T6 aluminum hubshell and containing a 6-bolt rotor, this pro disc hub offers 4 pawls 120 points of engagement, made for speed. Weighing roughly under 445g which includes the disc, this pro disc hub is ideal for racing. ###section### Product Specs AXLE SIZE: 10mm SPOKE HOLES: 36 BEARINGS: Sealed WEIGHT: 444 grams (disc) / 270 grams with bolts (front)
Cold forged and fully CNC-machined from a number of high strength aluminum alloys, The Box One Stem Lock offers peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. The stem lock runs through the centre of your steer tube providing compression for your headset and steering system. These are praticulary good for Carbon forks that use a carbon steerer tube and cannot accept a top cap or star nut. The Box One Stem Locks are backwards compatible with existing Box forks and may work with forks from other manufacturers.
Box One rims have a no-nonsense low-profile design that eliminates excess material, making them some of the lightest weight double-wall rims available. A 20 x 1.75 rim, for example, weighs just 362 grams/12.7 ounces. Strong and true, Box One rims have single eyelets to help prevent spoke pull-through, which means higher spoke tensions are possible. Available in 36-hole 20 and 24 x 1.75-inch, and 28-hole 20 and 24 x 1 1/8-inch sizes. Meets or exceeds ENBMX standards. Note: 99 lbs rider weight limit for 20 x 1 1/8" (451mm) and 24 x 1 1/8" (520mm) rims ###section### Product Specs WHEEL SIZE: 20" SEAM: Welded ERD: 394-596 HEIGHT: 14.3mm WIDTH: 17.5mm SPOKE HOLES: 24-36 WEIGHT: 20” x 1.75 (406mm): 362 grams/12.7 ounces 20” x 1 1/8 (451mm): 280 grams/9.87 ounces 24” x 1.75 (507mm): 432 grams/15.2 ounces 24” x 1 1/8 (520mm): 343 grams/12.1 ounces
Box One Saddles feature 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 your gear. ###section### Product Specs TYPE: Combo PADDING: Slim WEIGHT: TBC