Front Rear Bicycle Boost Hub Conversion Adapter Hub Spacer Cycling Parts 12MM✅
£6.99
This Front 12mm boost hub adpater allows 100mm 12mm front hub convert into 110mm 12mm. The Rear 12mm boost hub adpater allows 142mm 12mm front hub convert into 148mm 12mm. Front Rear Bicycle Boost Hub Conversion Adapter.
