Bike Headset Bearings 41.8/47/49/52mm Anti-rust Road Bicycle Headset Bearing Repair Accessories

Description: Name: Headset Bearings

Inner substance: bearing steel Material: Top Bearing Steel Size: Outer Diameter(Inner Diameter) 41mm(30mm)/41.8mm(30mm)/47mm(34.5mm)/49mm(38mm)/52mm(41mm) Weight: Approx. 25-35g For : Mountain Bike Use: General Headset Bearing Repair Parts Packing list: 1 x Headset Bearings Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1-3mm error,thank you.