Product size: The outer diameter of the product is 41mm, the inner diameter is 30mm, and the thickness is 6.5mm
Applicability: This product is Suitable for The Vast Majority Of All Hidden And Half Hidden And External Bicycle Bearing Headset
Easy to install: Replacement and installation are simple, no complicated tools are required, and it is easy to use.
Product material: Made of bearing steel, rust-proof and sturdy, fine processing ensures smooth surface and smooth rotation, and fits perfectly with your bicycle headset
Product list: Product include a total of 2pcs Bicycle Headset Bearing, which can completely meet your daily use needs and replacement.