Headset Logic WCS Thrdlss 1-1/8" Black

Lightweight, precision-machined aluminum cups
Lifetime guarantee for bearings
Uses Ritchey grease and sealed design for years of service
Stack Height: 28.3mm
Material: Alloy 7075
Upper Fit (S.H.I.S.): EC34/28.6
Lower Fit (S.H.I.S.): EC34/30
Bearing: Sealed Cartridge (ACB) - Ti Coated
Upper bearing: 41x30.15x7mm
Lower bearing: 41.8x30.15x8mm  

Verified weight without starnut