The Classic Logic Threadless Headset is the reliable workhorse of the Ritchey threadless headset range. 
Now available with our timeless high-polish finish, this smooth and reliable specimen features lightweight, precision-machined aluminum cups, sealed cartridge 45/45-degree bearings, and comes packed with Ritchey Grease. 
A sealed design promises minimal penetration from the elements. 
The Classic Threadless Headset adds that classy and reliable detail your bike deserves.

Stack Height: 28.3mm
Material: Alloy
Upper Fit (S.H.I.S.): EC34/28.6
Lower Fit (S.H.I.S.): EC34/30
Bearing: Sealed cartridge (ACB) - Ti coated