Description
Silverock Front & Rear Bike Boost Hub Conversion (15mm x 100mm to 110mm) (12mm x 142mm to 148mm)
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- Material: alloy 6061,CNC made
- Front 15mm boost hub adpater, Convert 100mm to 110mm
- Rear 12mm boost hub adpater, Convert 142mm to 148mm
- Weight: front 11g,rear 10g