mumisuto Bike Headset Set, 34mm Bicycle Sealed Headset, Mountain for 28.6mm Straight Steerer Fork Bearing

Stable and Stable: Bicycle headstock bearings have built-in stainless steel double bearings, the surface is plated and polished, won't fade or deform; the rotation is very flexible and lubricated, and the noise is very low. Fine workmanship: the bike headtube is CNC high precision machining, built-in seals help prevent dust and water from entering, prolonging the service life. Easy to Install: The mountain bike headset is easy to install and remove, easy to use. It is a good alternative to a bicycle. Aluminium Alloy Construction: The bike headset is made of high quality aluminium alloy, which is lightweight, sturdy and durable. Great Applicability: The bike headset is suitable for frame headtubes with 34mm top and bottom inner diameters, compatible with 28.6mm straight forks. Size: about 4.5*4.5 cm/1.8*1.8 inch.