Bike Crank Bearing Set, 4 Pieces Stainless Steel Ball Bearings, 5/16 Inch Ball Size, Retainer For Axle Wheel Frame Bearings, Ride Smooth On Mountain, Kids, And Low Speed Bikes, Durable BMX And Beach Cruiser Replacement Parts

4-Piece Stainless Bike Crank Bearing Set with 5/16 in Balls
✔️ Includes 4 stainless steel bearings with 5/16 inch balls

This 4-piece crank bearing set is a ready-to-install replacement kit for BMX, beach cruiser, kids bikes, and low-speed mountain bikes. Each bearing uses durable stainless steel balls and a retainer to fit crank axles and frame bearings, delivering smoother rotation and longer life.

✅ Ball size 5/16 inch with 7 to 9 balls per retainer for smooth rotation
✅ Stainless steel sealed bearing construction for durability
✅ Compatible with BMX cranks, beach cruisers, mountain bikes, and kids bikes
✅ Includes retainer for easy install and secure fit

💡 What is a bike crank bearing set used for in basic bike maintenance?

This handy kit helps keep your crank rotating smoothly and quietly on a range of bikes.

- Improves crank rotation by reducing play and friction in the bottom bracket area
- Handy for BMX, beach cruiser, and mountain bikes to replace worn bearings
- Extends bearing life and reduces crank wobble when installed correctly
- Stainless steel with a retainer resists corrosion in wet or salty conditions