Box One Conversion Rear Axle

Upgrade your drivetrain with the Box One 10mm or 15mm Conversion Rear Axles, built with Oversized Technology™ for maximum performance, strength, and adaptability.

Crafted from high-grade 7075-T6 aluminium and CNC lathed for precision, this axle features an anodised finish with laser-etched graphics. Designed to fit oversized frame dropouts, it delivers exceptional steering and pedalling 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.

Box One Conversion Rear Axle
Box One Conversion Rear Axle
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Description Colour Size Wt(g) Part No. Stock Lvl Unit RRP Pack Qty
ONE Conversion Axle, Alloy Axle - Allow 20mm frear hub to fit 10mm frame dropoutsBlack20-10mm123HUBX1RCA10
ETA: August 2025
£49.99Set 
ONE Conversion Axle, Alloy Axle - Allow 20mm frear hub to fit 15mm frame dropoutsBlack20-15mm86HUBX1RCA15
ETA: August 2025
£49.99Set 
  • Good stock levels
  • Low stock levels, Qtys may not be available
  • +24h Components are available, add 24/48hrs for assembly
  • Special Order Currently non-stock item, contact us for info
  • Out of stock. Expected availability date will be displayed if known.
  • Discontinued. This product is no longer available.
  • M Mixed Quantity discount available
Description Colour Size Wt(g) Part No. Stock Lvl Unit RRP Pack Qty
ONE Conversion Axle, Alloy Axle - Allow 20mm frear hub to fit 10mm frame dropoutsBlack20-10mm123HUBX1RCA10
ETA: August 2025
£49.99Set 
ONE Conversion Axle, Alloy Axle - Allow 20mm frear hub to fit 15mm frame dropoutsBlack20-15mm86HUBX1RCA15
ETA: August 2025
£49.99Set 
  • Good stock levels
  • Low stock levels, Qtys may not be available
  • +24h Components are available, add 24/48hrs for assembly
  • Special Order Currently non-stock item, contact us for info
  • Out of stock. Expected availability date will be displayed if known.
  • Discontinued. This product is no longer available.
  • M Mixed Quantity discount available