ITEM NAME:Replacement Parts 4mm Diameter 72 Pcs Bike Steel Ball Bearing M7K5 Replacement Parts 4mm Diameter 72 Pcs Bike Steel Ball Bearing M7K5 Ideal for rebuilding your bicycle's bottom bracket. Come with 72 pcs in one bag which is enough replacement parts for your bike use. Product Name : Bike Seel Ball; Diameter : 4mm Material : Steel Color : Silver Tone Weight : 25.3g Package Content : 72 Pcs x Bike Steel Ball Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
