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RITCHEY

RITCHEY WCS ZS49/33 Semi-Integrated Headset Lower Cup

Manufacturer reference: 33055337011
The RITCHEY WCS ZS49/33 Semi-Integrated Headset Lower Cup is designed for bikes with a semi-integrated (Zero Stack) headset. It combines an alloy cup with... Read more

Recommended price* : 49,90 €

44,99 €
44,99 €
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Description

The RITCHEY WCS ZS49/33 Semi-Integrated Headset Lower Cup is designed for bikes with a semi-integrated (Zero Stack) headset. It combines an alloy cup with a 2.8 mm stack height and a sealed angular-contact cartridge bearing, lubricated with Ritchey's high-viscosity grease.

The 46/34.1/7 mm 45°/45° bearing fits 1"1/4 lower steerers and head tubes with a 49 mm internal diameter (55 mm external diameter). The assembly weighs just 35 g.

Ref: 16148199244156

Technical information

Brand: Ritchey
Range: WCS
Type: zero-stack headset lower cup (ZS)
S.H.I.S. standard: ZS49/33 (1"1/4 steerer)
Head tube diameter: 55 mm external / 49 mm internal
Material: alloy
Bearing: sealed cartridge (ACB) 46/34.1/7 mm 45°/45°, angular contact
Stack height: 2.8 mm
Weight: 35 g
Colour: black
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Price information

*Supplier recommended retail price in October 2026