Box One Stealth Pro Oversized 20mm Disc Rear Hub
Experience elite-level performance with the Box One Stealth Pro Oversized 20mm Disc Rear Hub, featuring advanced Stealth Technology™ for instant power delivery, silent coasting, and ultra-low drag. Built for serious BMX racers, this hub delivers infinite points of engagement, giving you lightning-fast responsiveness with every pedal stroke.
The CNC-machined 7075-T6 aluminum hubshell and axle offer exceptional strength without added weight, while the hardened steel driver ensures long-lasting durability. At its core is a German-made precision one-way roller bearing, delivering smooth, dependable engagement under pressure. Designed with angled flanges, 36-hole drilling, and a sleek dual-texture anodized finish, this hub blends strength, style, and race-proven function.
Uses an OS spline driver compatible with box OS cogs and other oversized cogs and lockrings like the Onyx Ultra SS line. The 6-bolt disc brakes fit a 20mm x 110mm axle and is convertible to 15mm or 10mm with an optional kit. This hub includes the Box One Oversized 20mm Rear Lockring, the Box One Stealth Pro Oversized 20mm Disc Rear Hub is built to dominate the gate with stealthy speed and total control.
View Whitepaper:
SKUBX-HUSP20R-BK
Enhanced Power Delivery // FASTER
There is no use pushing hard on your pedals if you can’t deliver most of that power to the rear wheel.
Power delivery AKA pedaling stiffness. When a rider pushes down on a pedal, the pedal, crank set, bottom bracket, frame and all the hardware holding those together deflects laterally. Stiffer components deflect less, so more of your energy output goes into turning the rear wheel, rather than deforming the components and frame. By using Oversized technology, Box is able to add only the appropriate amount of material for stiffness where it is most needed. It is possible to add too much stiffness where the rider will not feel the benefits. Going beyond that point simply adds material which is surplus weight.
Superior Control // FASTER RESPONSE
Wonder why there is lag time between input from your hands to reaction from your bike?
Bike control can be defined as steering stiffness and this affects how your bike handles as a result of rider input. At Box we define steering stiffness by how much the grips, handlebar, stem, fork, wheels, frame and all hardware between twists when they are ridden around a corner. Higher steering stiffness contributes to a more responsive handling bike by reducing latency between hand input and reaction in the bike. Just as with power delivery, by using Oversized technology, Box is able to add only the appropriate amount of material for steering stiffness where it is most needed. This allows our components to combat the cornering load as it passes along its load path from grip all the way through to contact point on the track.
Armored Build // MORE DURABLE
Why invest in cutting edge components if they don’t last?
Toughness is a natural byproduct of our Oversized technology. By adding size to specific areas of components we have not only increased pedaling and steering stiffness, we have also added toughness and strength. Larger surfaces also increase the ability of a component's ability to spread impact loads.
Advanced Materials // ALL ABOVE
Not all things are equal when it comes to materials of construction.
We don’t just manufacture carbon fiber parts. We engineer where the strength/stiffness needs to be and the layer of fibers are added and aligned in the direction and angle required to provide the best effect. With metal alloys we don’t just buy “aerospace grade alloys” we choose the appropriate aluminum alloy for the component, and send it through the appropriate heat treatment processes. We demand material certifications as part of our quality assurance program.
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