Description: 100% Brand new and high quality Ideal accessory parts for bicycle repairing use. Come with 10Pcs in one bag, bike's good repairing parts. It is a must accessory for bike, can replace the old damaged one well. Great replacement for the broken or missing steel balls on the bearing wheel. Material: Stainless Steel Colour: Silver (as picture show) Diameter:Φ4mm,Φ4.5mm,Φ5mm,Φ5.5mm,
