Name: Bicycle shaft bearing
It is suitable for the repair and repair of the BB68-73 threaded center shaft BB90-92 press-in type center shaft.
Style: Ceramic models <The inner ball is made of black ceramic, the friction system is low, more lubricated and more durable. >
Size: outer diameter 37* inner diameter 25* height 7
Material: bearing steel + ceramic ball
Single weight: 19.6g
Imported black pottery, low temperature sintering, higher strength, lubrication, wear resistance and longevity
Both ends of the shipment are equipped with a dust cover. The picture is convenient for displaying the internal structure, so no dust cover is installed.