Key features

• •Package Include: You will get 6pcs bike crank bearings, 5/16" ball size x7 balls, sufficient quantity can meet your diverse needs of bicycle parts replacement.
• •Size: Outer diameter is 38mm/ 1.5inch, inner diameter is 24mm/ 0.94inch, ball diameter 0.31inch/8mm. Please be sure to verify the size before you order the ball bearing.
• •High Quality: These bottom bracket bearings are made of excellent stainless steel, high hardness and rustproof, wear-resistant and long service life, provide optimal performance for you every time you hit the road.
• •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 Application: The ball crank bearing is suitable for various bicycle cranks, such as bicycle crank, bike crank, lowrider bikes, beach cruiser, limos, stretch bicycles.