Headset Zero Logic Comp Drop In Taper 1.5" - 1-1/8" Stack height: 16.6mm

Full complement angular contact cartridge bearings packed with Ritchey high-webbing grease
Tapered version
Material: Plastic 15mm top cap
Semi cartridge bearings
Bearings angles: 45° / 45°
Stack height: 16.6mm
Steerer Size: 1-1/8" 1.5"
Upper HT OD/ID/ Depth: 46mm/42mm / 6.8mm
Lower HT OD/ID/ Depth: 56mm/52mm / 6mm
Upper Fit (S.H.I.S.): IS42/28.6
Lower Fit (S.H.I.S.): IS52/40  

Verified weight without starnut