A absolutely top-of-the-line 1 1/8" threadless headset for the most discerning rider. It features oversized, sealed cartridge bearings, so packing and re-greasing bearings are a thing of the past. 

Specs:

• Fork type: 1 1/8" threadless
• Stack height: 28mm
• S.H.I.S. Upper: EC34 / 28.6
• S.H.I.S. Lower: EC34 / 30
• Crown Race:  30.0mm, split for easy install
• Weight: 112g