2 x Washers. With this adapters, you can change 100 15mm front hun into 110 15mm, and 142 12mm rear hub into 148 12mm. With this adapters, you can change 100 15mm front hun into 110 15mm, and 142 12mm rear hub into 148 12mm.
Yosoo Health Gear Bike Hub Conversion Adapter Kit for MTB Boost Standard, Front 100x15 to 110x15 and Rear 142x12 to 148x12, Aluminum Alloy Bicycle Wheel Hub Spacer for Mountain Bike
Yosoo Health Gear Bike Hub Conversion, Front & Rear Bicycle Boost Hub Conversion Adapter(Front 100x15 to 110x15)
High Strength Bicycle Freehub Spring Made Of 304 Stainless Steel For 20mm To 30mm Hub Sizes Black Driver Ring Tower Base Part(24mm)
High Strength Bicycle Freehub Spring Made Of 304 Stainless Steel For 20mm To 30mm Hub Sizes Black Driver Ring Tower Base Part(22mm)
High Strength Bicycle Freehub Spring Made Of 304 Stainless Steel For 20mm To 30mm Hub Sizes Black Driver Ring Tower Base Part(20mm)
High Strength Bicycle Freehub Spring Made Of 304 Stainless Steel For 20mm To 30mm Hub Sizes Black Driver Ring Tower Base Part(26mm)