Integrated tapered headset.
Bearing diameter: 1.1/8-1.5” - 41.8 - 51.8 mm.
36° × 45° sealed lower bearing and 45° × 45° sealed upper bearing.
Open crown for easy installation.
Headset Type: Integrated (IS)
Fork Size: 1.1/8" - 1.1/2"
Headtube Upper/Inner Diameter: 42 mm
Headtube Lower/Inner Diameter: 52 mm
Bearings Included: BHP-181, BHP-185
Bearings Material: CrMo
Cone Spacer Diameter: 46 mm
Cone Spacer Height: 8 mm
Crown Race Included: Yes
Weight: 72 g