RITCHEY WCS IS47/33 Integrated Headset Lower Cup

The RITCHEY WCS IS47/33 Integrated Headset Lower Cup is suitable for bikes with an integrated headset, such as the Ritchey Road Logic or Swiss Cross. This alloy lower cup houses a sealed angular-contact cartridge bearing made from stainless steel, with a titanium coating to resist corrosion and Ritchey grease for lubrication.

With a zero stack height, a 41.8/34.1/8 mm 45°/45° bearing, a 47 mm head tube and a 1"1/4 steerer, it weighs just 30 g.

Ref: 16148198162812