MRP's Boost Solution and New Ramp Control Cartridge - Interbike 2017 - Pinkbike
MRP - You asked for it - Better Boost Adapter Kits for Chris King hubs are ready! These feature precisely-made, but simple to install, press-fit end caps that add 5mm to each
MRP Better Boost Adapter Kit to 110mm Boost Standard for Chris King ISO SD/LD Front Hubs