Feature

●Package includes: 10 pieces crank bearings, 4 mm ball x 20 ball.
●High-quality material: this bicycle bearing is made of high-quality steel, non-slip and durable.
●Size: each bearing has 20 balls, the diameter of each ball is about 3.35 mm and the outer diameter of the bearing is about 40 mm. Ball bearing control sets are precision cage bearings.
●Easy to carry: bicycle bearings are very light and easy to carry, and the packed bicycle accessories can be replaced at any time.
●Widely used: this bicycle bearing is suitable for normal bikes, mountain bikes, mountain bikes, low road bikes and rebound bikes.


Description

Package includes: 10 pieces crank bearings, 4 mm ball x 20 ball.
High-quality material: this bicycle bearing is made of high-quality steel, non-slip and durable.
Size: each bearing has 20 balls, the diameter of each ball is about 3.35 mm and the outer diameter of the bearing is about 40 mm. Ball bearing control sets are precision cage bearings.
Easy to carry: bicycle bearings are very light and easy to carry, and the packed bicycle accessories can be replaced at any time.
Widely used: this bicycle bearing is suitable for normal bikes, mountain bikes, mountain bikes, low road bikes and rebound bikes.