Ideal accessory parts for bicycle repairing use.
Adopting the high quality carbon steel, stand wear and tear.
Great replacement for the broken or missing steel balls on the bearing wheel.
Made of carbon steel material, very durable for use.
Come with 50Pcs in one bag, bike's good repairing parts.
It is a must accessory for bike, can replace the old damaged one well.
Material: Carbon Steel
Size: 4.0mm, 5.0mm,6.0mm,8.0mm,9.0mm,10.0mm.(Diameter)
Use: Road Bicycles
50 x Bike Steel Balls
lookie Les Pièces de Rechange en Acier de roulement à Billes de Bicyclette de Vélo 4mm 5mm 6mm 8mm 9mm 10mm B07FKV3BFD