Ritchey Ritchey Comp Semi Integrated ZS44/28-ZS55/40 headset

For bikes with semi-integrated ZS head tubes, the Ritchey Comp Semi-Integrated ZS headset stands out above all others. The Comp features full-complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. The upper bearing is a sealed cartridge, while the lower bearing is coated in titanium.

• Material: steel
• Stack height: 10.3 (1 ⅛”) / 11.6mm (1 1.5" tapared)
• Headtube ID upper: 44mm
• Headtube ID lower: 55 mm
• S.H.I.S. upper: ZS44/28.6 (1 ⅛”)
• S.H.I.S. lower: ZS55/40 (1.5")
• Bearings: semi-cartridge (SSC)
• Top cap included
• Weight: 83g (1 ⅛”)