Box BMX Stem – Oversized Technology for Maximum Power and Control
The Box BMX Stem is precision-engineered using Box’s exclusive Oversized Technology, delivering the ultimate combination of stiffness, power transfer, and control for serious BMX racers.
By following the load paths down the handlebars, Box engineers have optimized the stem-to-bar interface — the key area where performance is won or lost. The increased surface area and wall thickness in the clamp zone minimize flex and twist, ensuring that every ounce of power goes straight into your pedal stroke. Material is strategically relocated from low-stress zones, creating an ultra-stiff, responsive feel without unnecessary weight.
When paired with Box Oversized handlebars, forks, and cranks, this stem delivers unmatched pedaling efficiency, steering precision, and responsiveness. Designed with practicality in mind, its refined geometry allows easy handlebar removal while maintaining elite-level performance — ideal for larger riders who demand strength and accessibility.
Key Features
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Oversized Technology for superior stiffness and reduced flex
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Optimized stem-to-bar interface enhances power transfer
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CNC-refined geometry for improved control and easy bar removal
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Minimizes deflection for efficient sprinting and cornering
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Ideal for larger BMX racers seeking maximum responsiveness
Specifications
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Material: 6061-T6 Aluminum
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Process: Cold-Forged
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Hardware: Chromoly Clamping Bolts
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Finish: Anodized with Laser-Etched Graphics
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Clamp Diameter: 31.8 mm
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Stack Height: 28 mm
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Rise: ± 5°
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Steerer Tube: 1 ⅛″
Why Choose Box Oversized
Trusted by elite BMX racers worldwide, the Box Oversized Stem is built to convert your effort into pure speed. Experience enhanced power delivery, sharper handling, and unbeatable race-day performance with Box Components.
