Problem Solvers Rear Booster & Super Booster for 6 Bolt Hub Stock Item:Problem Solvers Booster Rear Wheel Adapter Kit - converts 142mm 6-bolt rear hub to 148mm (Boost) Ideal for bottom bracket and

Ideal for bottom bracket and pedal threads

This version of the ProCompound is a gravel specific formulation that privileges durability and puncture-protection

Easy upgrade

Torque tightens only in the direction showed on the key sticker

Problem Solvers Rear Booster & Super Booster for 6 Bolt Hub Stock Item:Problem Solvers Booster Rear Wheel Adapter Kit - converts 142mm 6-bolt rear hub to 148mm (Boost) Ideal for bottom bracket andPROBLEM SOLVERS REAR BOOSTER & SUPER BOOSTER FOR 6 BOLT HUB 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. The Super Booster rear hub spacer kit adapts a 148 x 12mm rear hub to a 157 x 12mm spaced frame (Boost to SuperBoost) FEATURES Requires re dishing the rear wheel 4. 5mm to the non drive side Made from AL 6061 aluminum