

Product Details
FUNN Descend Headset Lower Cup ZS 66/46
The Descend Headset is built to keep your steering smooth, precise, and reliable when the trails get demanding. Crafted from aerospace-grade AL6061 aluminium, it delivers an excellent balance of strength and lightweight performance for modern mountain bikes.
Equipped with high-quality angular contact bearings, the Descend Headset provides exceptionally smooth rotation and improved durability. This ensures confident handling and precise control, so you can stay focused on the trail ahead whether you’re climbing, descending, or navigating technical sections.
For added flexibility, the top and bottom headset pieces are available separately, making it easy to replace or customise your setup as needed.
Key Features:
- Aerospace-grade AL6061 aluminium construction
- Smooth and durable angular contact bearings
- Keeps the fork tube firmly attached to the bike
- Precise steering control for trail and MTB riding
- Lightweight yet strong design
- Top and bottom headset pieces available separately
Specification:
- Upper cup: ZS 66/46
- Steerer tube: 46 mm
- Headtube size: 66 mm
- Stack height: 3.5 mm
- Weight: 100 g
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
Buy with confidence
In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.