Replacement crown steerer unit designed for ZEB forks, featuring Linear XL spring compatibility and ButterWagon Tech upper tubes for improved lubrication and reduced friction. Engineered to restore chassis integrity and maintain consistent suspension performance, this CSU delivers precise handling and durability for demanding trail and gravity use.

Features
• Replacement CSU for RockShox ZEB forks
• Linear XL spring compatible design
• ButterWagon Tech uppers improve lubrication and reduce friction
• Anodised black finish for durability and wear resistance
• Designed to restore stiffness and front-end precision

Specifications
Wheel compatibility: 27.5", 29"
Steerer: 1.5" tapered
Finish: Anodised black
Compatibility: ZEB Select B1+, ZEB Flight Attendant B1+, ZEB Ultimate B1+ (2027+)
Compatible models: FS-ZEB-SEL-B1, FS-ZEB-UFA-B1, FS-ZEB-ULT-B1

All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 and eBikes will incur a £25 delivery fee.

Free Delivery On Orders Over £199.99 - When you spend more than £199.99 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.

Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.

At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.

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