ITEM NAME:Bicycle 9 ball bearings 5 pieces mountain bike Ball bearing Axle J9L5 Bicycle 9 ball bearings 5 pieces mountain bike Ball bearing Axle J9L5 Product name: bicycle ball bearings Number: 9 Diameter of the ball: 6.3 mm Material: Steel ball With an outside diameter of: 2.9 cm Internal diameter: 17 mm Color: silver tone Weight: 61 G Package: 5 x ball bearings for bicycle Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
