Super Booster Rear Adapter Kit 9mm
The Super Booster hub spacer kit is designed to give your 148mm rear thru-axle hubs the extra boost they need to fit any 157mm frame.
- 9mm spacer kit adapts a 148 x 12mm rear hub to a 157 x 12mm spaced frame (Boost to SuperBoost)
- Requires re-dishing the rear wheel 4.5mm to the non-drive side
- Made from AL-6061 aluminum