Ritchey Comp Cartridge Logic-E Semi Integrated Upper ZS Headset: ZS55/28.6
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Ritchey Comp Cartridge Logic-E Semi Integrated Upper ZS Headset
- SKU
- ZYRO_RT33030817020
- Brand
- Ritchey
- Availability
- In Stock (3)
- Cycle Brand
- Ritchey
- Cycle Category
- COMPONENT
- Manufacturer
- Ritchey
- Size
- ZS55/28.6
Show more +1Show less
- Upc
- 796941333078
FULL DESCRIPTION
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
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.