Bike Hub Center Lock Adapter to 6 Bolt Disc Brake Boost Hub Spacer Bicycle Part | eBay
Conversion Kit Boost Adapter Front Centerlock 15x110 Boost, Sports Equipment, Bicycles & Parts, Bicycles on Carousell
How to convert a non boost (center lock) front hub to boost? Planning to change to rigid fork and it's only for boost. The Problem Solvers Booster looks like for 6 bolt