Ritchey Comp Taper ZS44/28.6 – ZS55/40 Press-Fit Headset

Use: Designed for 1 1/8" upper and 1.5" lower head tubes combined with tapered forks. Specifications: Application: Road, Cross Country Top Cup: 1 1/8" Bottom Cup: 1.5" Steerer Tube: 1 1/8" - 1.5" tapered Design: Zero Stack (ZS) Technical Information: Mater