BOX offers a headset designed and developed for integrated 1-1/8" steerer head tube that operates on a 1" steerer tube. It features angular bearings as well as a waterproof cover and an Aluminium star.

FEATURES :
• SHIS : IS42/25.4 | IS42/26 
• Angular contact bearings 45° x 45°
• Sealed annular bearings
• CNC machined 6061 Aluminium cover and compression nut
• Weight: 77g

COMPATIBILITY:
• Fits 1-1/8" integrated head tube frames
• Fits 1" Steerer forks