Ritchey WCS Rear Hub Axle & End Caps (Quick Release) (Apex & Zeta II Disc)
Ritchey WCS Rear Hub Axle & End Caps (Quick Release) (Apex & Zeta II Disc), Ritchey WCS Wheel Conversion Kits. Features: Kits to convert WCS wheel systems to thru-axle Specs: Description:WCS axle conversion kit, rear disc 10x135mm