RITCHEY LOGIC Comp 1-1/8" Threadless Headset

The Ritchey External Cup EC Threadless headset features a smaller upper bearing to save weight, while the oversize lower bearing is designed to handle loads. Deep bearing cups promise solid insertion.

• Crown Race: 30mm.
• S.H.I.S. Stem Clamp Diameter: 28.6mm (1-1/8") Threadless.
• Bearing Type: Cup and Cone.
• S.H.I.S.  Lower: EC34.
• S.H.I.S. Upper:: Black.
• Lower Stack Height: 13.2mm.
• Weight: 108g.
• Upper Stack Height: 15.7mm.