ZTTO Bicycle Hub Center lock To 6 Bolt Adapter Disc Brake Boost Hub Spacer 15x100 to 15x110mm 12X142 To 12x148mm Thru axle

High-concerned chemical：None Model Number：boost hub adapter Material：Aluminum/Alloy Size：for 6 bolt hub, thru axle only Use：Mountain Bikes Brand Name：ZTTO Origin：Mainland China

High-concerned chemical: None Model Number: boost hub adapter Size: for 6 bolt hub, thru axle only Use: Mountain Bikes Brand Name: ZTTO Origin: Mainland China