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Engineered for modern e-bike and performance builds, the Ritchey WCS Logic-E 1.5″ Semi-Integrated ZS Upper Headset delivers a precise, smooth steering interface with clean internal cable management. Built with integrated routing channels and durable sealed bearings, it offers the reliability and sleek front-end aesthetic demanded by today’s advanced frames. Designed to work with any standard stem, it’s a refined, lightweight solution for discerning riders and builders.
Features
• Integrated cable and wire routing for clean cockpit setups
• Compatible with standard stems—no proprietary parts needed
• Durable sealed cartridge bearings ensure smooth performance
• Low stack height for a sleek, compact front end
• Designed specifically for modern e-bike and performance applications
Specifications
Material: Nylon and glass-fibre composite
Stack Height: 22.2 mm
Headtube Compatibility: 55/61 mm or 56/62 mm
SHIS Standard: ZS55/28.6 (1.5″) – ZS56/28.6 (1.5″)
Bearings: 51.85/40 mm (45°/45°) sealed cartridge
Weight: 74 g
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.