5Pcs Bike Ball Bearing Retainer Replacement Mountain Bike Parts 1/4" x 9 Balls Repair Accessories for MTB Bicycle Crank

High-concerned chemical : None Material : STEEL Use : Mountain Bikes Origin : Mainland China Ball diameter : about 1/4 inch/6mm Inner diameter : about 1.14 inch/29mm External diameter : about 0.7 inch/18.4mm Number of balls : 9 Product : Bike Ball Bearing Type 1 : Bike Bearing Retainer Type 2 : Bicycle Steel Ball Type 3 : Bicycle Crank Type 4 : rodamientos bicicleta mtb Type 5 : pedales bicicletas mtb