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Designed for bicycles with semi-integrated headsets, the WCS Semi-Integrated ZS Lower Headset features full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease and corrosion-resistant Ti-coated bearings.
Material: alloy
Stack height: 2.8mm
Headtube OD/ID: 50/44, 55/49, 61/55, 62/56mm
S.H.I.S.: ZS42/30 (1 ?”), ZS49/33 (1 ¼”), ZS55/40 (1.5"), ZS56/40 (1.5")
ZS42/30 (1?") bearing: 41/30.15/7mm 45°/45° - sealed cartridge (ACB) – titanium coated
ZS49/33 (1 ¼”) bearing: 46/34.1/7mm 45°/45° - sealed cartridge (ACB) – titanium coated
ZS55/40 (1.5") bearing: 51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coated
ZS56/40 (1.5") bearing: 51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coated
Weight: 35g
Colour: black
| Order Value | Service | Estimated Delivery | Cost |
|---|---|---|---|
| Under £39.99 | Royal Mail Tracked | 2–3 working days from dispatch | £4.99 |
| £39.99 and over | Royal Mail Tracked | 2–3 working days from dispatch | FREE |
| Any order — Express | Royal Mail Tracked 24hr / Parcel Force 24hr | Next working day from dispatch | £6.99 |
| Bikes | Parcel Force 48hr Signed For | 2 working days from dispatch | FREE |
Delivery times shown are from dispatch, not from the point of ordering. As we source products from a range of suppliers, lead times can vary — please check the product page, your cart, or your order confirmation for the most accurate estimate for this item.
Some remote UK postcodes (Highlands, Islands) may carry a courier surcharge on larger orders — we will always contact you before applying any additional charge.
Questions? Email sales@cyclestore.co.uk with your order number.
Terms and conditions:
- Price match must take into account any shipping charges applicable.
- Our price match promise only applies to online retailers, However this does not include auction websites such as eBay or non-UK based competitors or websites not operating secure (SSL) payment systems.
- Item must be in stock with the competitor and ourselves
- We reserve the right to refuse a price match for any other reason not previously mentioned at any time.