Bike Hub Conversion, Alloy Conversion Adapter 100 * 15 to 110 15/142 12 148 Bicycle Accessory, Front Rear Boost (Front 15to110*15)

Non-Deformation And Durable: Bike hub adapter is made of quality materials, high strength, anti-rust, non-deformation and durable Prevent Abrasion Damage: CNC machining makes the smooth and bike hub conversion adapter can prevent abrasion damage Specification: Bike hub conversion with this adapters, you can change 100*15mm front hun into 110*15mm, and 142*12mm rear hub into 148*12mm Easy To Install: bike front hub conversion comes with necessary fittings, easy to install and use Good Accessory: bike rear hub conversion isa useful accessory for bike lovers to DIY bike