Booster thru-axle hub spacer kits are designed to give your non-Boost front and rear thru-axle hubs the boost they need to fit any Boost-compatible frame or fork.

Thru-Axle hub adapters allow the use of 100 mm front thru-axle hubs in 100 mm QR forks. -Allows the use of modern thru-axle wheels in forks designed for quick-release compatible hubs -100 mm front hub spacing only -CNC-machined AL-6061