Manufacturer/Model By Series

SALE, 3 Month Warranty, Ceramic Lightning Yellow Seal Bicycle Bearing Kit. Our Yellow Seal line of ceramic bike bearings are specially designed for Off Road and excessively dirty riding environments. These bearings are maintenance free and lubed for the life of the bearing. The heavy duty rubber seal provides extra protection against the harshest elements. All sealed bearings are packed in grease and will require short break in period to loosen up. KIT (4) 4-3724C

Full ceramic ball and race material, ABEC 5 tolerance races with grade 5 balls. High speed peek retainers and low friction peek seals, with Boca's exclusive low friction grease