Nufasion Caged Precision Bearings, For Bicycle Crank Bike Crank Bikes Beach Cruiser Limos Stretch Bicycles, Bracket Ball Cage Bearings8pcs)

ZDD Material: Steel. Made of steel, high quality, durable and high intensity Package Include: 8Pieces Crank Bearing 1/4″ ball size x 9 balls. Set of bearing. Pair of bearings. Widely usage: For bicycle crank, bike crank, lowrider bikes, beach cruiser, limos, stretch bicycles. Size: The outer diameter of the bead frame is 3.1cm, the inner strength: 2.2cm, the steel ball is 6mm, and the total is 9 balls Function: With this tool, you can replace your bike parts by your self in home Specification: Material: Steel Dimensions: outer diameter: 2.95cm; inner strength: 1.9cm; steel ball: 6mm; 9 balls Suitable for: bicycle, mountain bike square mouth axis Quantity: 8Pcs