Funn Descend Lower Headset ZS66/40, Zero Stack Angular Contact Bearing Headset, Durable and Lightweight Alloy for Mountain Bike, BMX Road Bike Gravel

The ZS66 specification is commonly found in E-bikes, typically paired with a 1.8”tapered fork. The ZS66/46 model is designed specifically to accommodate the 1.8” tapered fork, whereas the ZS66/40 model is compatible with the 1.5”tapered fork. Smooth Action : Built in high-quality angular contact cartridge bearings, and offers better endurance at high speed. Descend ensures every turning action will be extremely smooth. Ultimate Control : Descend provides extra stiffness and stability, and stays steadily during aggressive rides. Keeps the fork tube firmly attached to the bike, and ensures fully control of the bike even at a high speed. Solid Construction : Precision machined aerospace 6061 alloy offers excellent durability to wrad off damages and resistant to vibration during intense rides. Note: The Funn Descend upper headset is sold separately, providing the flexibility to mix and match according to your precise specifications.