4pcs Ball Retainers Bicycle Fork Hub Bottom Bracket Bearing Kids Bike Pedal Scooter Axle Spindle Bracelet Heat Treated Parts

Features:

– As ball retainers for bicycle movement transmission system service;
– Made of choice carbon steel, heat treated to increase hardness;
– Well flashed, grinded and flapped;
– Good concentric uniformity.

Specifications:

– Item: ball retainers
– Material: Carbon Steel(Q195)
– Processing: Heat treated
– Use: For bicycle fork, axle, pedal service
– Size: Per Order Option