XLC Evo a-head-headset taper. HS-I17 ID: 2990-250

The XLC HS-I17 headset features an aluminium top cap and its fork shell is also made of aluminium 7075. Made for 1 1/8" steerer tubes, the headset ensures that your steering runs precisely and has a positive influence on the bike's handling. Semi-integrated tapered Aheadset Aluminium cups and race Sealed cartridge bearings S.H.I.S ZS44/28.6 ZS56/40 XLC Evo tapered a-head headset  HS-I17 • Sealed high tech bearing • Material top cap: Alloy • Material crown race: CNC Alloy 7075 • Bolt material: stainless steel • Stack height: 11,6+2,9=14,5m • Set =8 parts • Fork steerer: 1 1/8" to 1,5" • SHIS code: ZS44/28,6 ZS55/40, ZS44/28,6 ZS56/40 • Weight: 130g