Ritchey Semi-integrated comp headset

For bikes with semi-integrated ZS headtubes, the Ritchey Comp Semi-Integrated ZS headset stands out from all autres. The Comp features fully-completed stainless steel angular contact cartridge bearings filled with high-swelling Ritchey grease. The upper bearing is a sealed cartridge, while the lower bearing is titanium coated.

Material: steel

Column height: 10.3 (1 ⅛") / 11.6mm (1 1.5" threaded)

Upper steering bushing ID: 44mm

Lower steering bushing ID: 44, 55, 56mm

Upper S.H.I.S.: ZS44/28.6 (1 ⅛")

Lower S.H.I.S.: ZS44/30 (1 ⅛"), ZS55/40 (1.5"), ZS56/40

Bearings: Semi-sleeve (SSC)

Weight: 83g (1 ⅛")

Color: black