Problem Solvers Super Booster Rear Adapter Kit - 9 mm

The Super Booster rear 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 fit a 157 x 12mm wide frame (Boost to SuperBoost)
- Requires re-dishing the rear wheel rim 4.5mm towards the non-drive side
- Made from lightweight AL-6061 aluminium