Specification:
Quantity: 6 pcs
Colour: Silver
Size: outer diameter: 29mm/1.14inch, inner diameter: 18mm/0.7inch, steel ball diameter about: 6.35mm/0.25inch
Material: This ball bearing retainer is made of high quality stainless steel for high quality, durability and strength.

Features:
Useful function: Bicycle crank bearings can be used to replace bicycle axle wheel carrier bearings and install seamlessly into your bicycle's drivetrain components. You can regularly check and replace bike bearings before cycling or bike racing.
Widely used: this ball bearing for bicycle parts replacement is suitable for bicycle cranks, such as mountain bikes, low-speed bikes and so on.

Warm tips:
All data are measured manually, please understand if there is any error!