HEADSET CC SEMI-INT 110SERIES 1-1/8x1.5 BK ZS44/28.6|ZS56/40

7075 T-6 aluminum cups
Compatible with tapered 1-1/8` to 1-1/2` steerer tubes, or straight 1-1/8` steerers with a conversion crown race (sold separately)
Aluminum dual seal crown race protects lower bearing
Carbon-friendy compression ring captured in top cover
Stainless bearings feature Split-Lip seals for twice the protection of a typical cartridge bearing