SzBlaZe High Speed Hybrid Ceramic Bicycle Hub Bearings for Bike Hub (Pack of 2 Pcs) Suitable for MTB Mountain Bike Road Bicycle (6802), black1. Size : 6000 10x26x8mm(0.39x1.02x0.31inch); 6001 12x28x8mm(0.47x1.10x0.31inch); 6802 15x24x5mm(0.59x0.94x0.19inch); 6803 17x26x5mm(0.66x1.02x0.19inch); 6900 10x22x6mm(0.39x0.86x0.23inch); 6901 12x24x6mm(0.47..