KCNC KR1 Taper Headset (IS41 : IS52)

A high quality lightweight headset with full stainless steel 45 degree bearings - fully integrated tapered steerer.
Includes matching top cap and alloy bolt - and star-fangled nut.

•  [SHIS IS41/28.6 : IS52/40]
• Upper Bearing OD Ø41.0mm, Lower bearing OD Ø51.8mm
• Top Cap : CNC'd 6061 Al alloy
• Split Crown Race : Ø30mm CNC'd aircraft grade aluminium
• High Rolling Sealed 45° angular contact stainless steel bearings
• Stack Height : 6mm
• Weight : 51g excluding top cap and nut, 69g complete