The White Industries IS42/IS52 headset is designed to fit frames with integrated 42mm/52mm head tubes and works with tapered and straight fork steerers. The “IS” stands for “Integrated” as the bearing sits directly inside the frame’s head tube without a cup. The “42/52” stands for the top/bottom inside diameter of the frame’s head tube.
Features:
- Constructed from US sourced 6061-T6 Aluminum
- Machine engraved White Industries logos
- Easily replaceable bearings
- Split crown race makes for a tool-free installation
Specifications:
S.H.I.S. Upper: IS42/28.6
S.H.I.S. Lower: IS52/40
Steerer Tube: 1-1/8" to 1-1/2" (Tapered)
Upper Stack Height: 8mm
Lower Stack Height: 1mm
Upper Bearing Contact Angle: 36/45°
Lower Bearing Contact Angle: 36/45°
Crown Race: 40
Color: Silver
Weight: 70g
This product was added to our catalog on February 22, 2022
