Ritchey Comp Zero Logic Headset Tapered Press Fit - ZS44/28,6 | ZS55/40

Silky angular contact bearings for smooth, long-lasting performance. Compatible with most popular integrated headset designs. Tapered Ahead headset with semi-intgrated (zero stack) cups . The S.H.I.S. denotation is ZS44/28,6 | ZS55/40 . Material: bearing case: aluminium fork cone: steel Weight supplement: without top cap and star nut, manufacturer information