Features:
Headset Specs:
11.3mm stack height
Upper S.H.I.S - ZS44/28.6
Lower S.H.I.S - ZS55/40
Upper Headtube OD/ID 50/44mm
Lower Headtube OD/ID - 61/55mm
A semi integrated press fit headset
Comp CrMo top bearing cover
Semi cartridge bearings
Material: Ritchey high quality alloy star nut and top cap
Weight: 109g

Specs
Colour: Black
Option: ZS44-55
Steerer Diameter: 1.1/8"
Headset Type: Semi-Integrated Tapered