XLC HS-I21 Evo A-Head Tapered Headset - IS42/28.6 IS52/40

The fully integrated XLC HS-I21 A-Head headset has an aluminum top cap and aluminum fork crown. Designed for steerer tubes measuring 1 1/8" to 1.5", this headset ensures precise steering and positively influences the bike's handling.

Features of the XLC HS-I21 Evo A-Head Tapered Headset:

• Fully integrated Ahead headset, tapered 
• Aluminum cap and cone
• Sealed cartridge bearings 
• S.H.I.S. IS42/28.6 IS52/40
• Cone diameter: 40 mm
• Frame diameter: 42.0 - 52.0 mm
• Height (top): 9 mm
• Height (bottom): 1 mm
• Overall height: 10 mm