Front & Rear Bike Boost Hub Conversion (15mm x 100mm to 110mm) (12mm x 142mm to 148mm

  • From Taiwan MR CONTROL
  • 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

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