Funn Descend Integral Headset, Upper IS41/28.6 and Lower IS52/40, Angular Contact Bearing, Headset for Mountain Bike, BMX Bike, Road Bike and Gravel Bike

Measure the size of fork steer tube and frame headtube before purchasing. This integral version fits headtubes with 41mm (upper) and 52mm (lower) inner diameters and steerer tubes with 28.6mm (upper) and 40mm (lower) outer diameters. 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 integral headset includes both the top and bottom cups as a combined package, offering a comprehensive solution for your steering needs.