Ritchey Comp Logic Threadless Headset (Black) (1-1/8") (EC34/28.6) (EC34/30)

Comp Logic headset features a smaller upper bearing to save weight. Features: Lightweight, precision-machined aluminum cups Deep cups for solid insertion Specifications: Stem Clamp Diameter: 28.6 Threadless Crown Race: 30 S.H.I.S. Lower: EC34 S.H.I.S Upper: EC34 Color: Black