Booster Hub Spacing Kit - Rear

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.

• Kit includes center lock adaptor, allowing riders to use 6-bolt rotors on Shimano Center Lock compatible hubs
• Kit adapts 142 x 12mm rear hub to 148 x 12mm
• Includes adapter to 6-bolt rotors
• Includes external spline lock ring for thru-axle compatibility
• Includes two 3mm axle spacers
• Thru-axle not included