About this item

• Dimensions and specifications : Outer diameter : 1.5 inch/38mm, Inner diameter: 0.94 inch/24mm, Ball Diameter : 8mm ( 5/16 ). Please measure the size and confirm whether this size is suitable for your bicycle before buying.
• Package Include : 4 Pieces Bicycle Crank Bearing 5/16 inch ball size x 7 balls. One pair of bearings for replacements, another for spare.
• Material : This ball bearing retainer made of steel, high quality, durable and high intensity.
• Practical function: The bike crank bearing can be used for bicycle axle wheel frame bearing replacement, and fit seamlessly into your bike's drivetrain components. You can regularly check and replace your bicycle bearing before cycling or bicycle race.
• Wide range of uses: This ball bearing for bicycle parts replacement is suitable for bicycle cranks, such as: mountain bikes, kids bikes, low speed bikes, kids bikes, etc.