[Item Feature]: This ball bearing retainer with 9 balls, which are suitable for 31mm inner diameter head parts. It is an ideal replacement for your bike.
[Application]: This kind of bead rack stainless steel ball is inlaid in the retainer design. It's suitable for replacing the crank bearing of the bicycle. suitable for ordinary bicycles, mountain bikes, lowrider bikes, and stretch bicycles.
[Notice]: Before purchasing, please confirm whether the size of the accessories of your bike is matched these bearing cages.
Description:
This kind of ball bearing is with 9 stainless steel balls inlaid in the retainer design.
Can be a ideal replacement for the mid axle axis bearing of racing bicycle or mountain bike.
6 pieces included in this package.
Notes:
The size of this product is very important, please check it carefully before purchasing.
Please allow 1-2mm differs due to manual measurement, thanks.