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.
SALE, 3 Month Warranty, Ceramic Lightning Ultra Seal Bike Bearing Kits are specially designed for on-road or relatively clean riding environments. The Ultra Seal is a non-contact, frictionless seal that is placed beneath a metal shields so they are still considered maintenance free and lubed for the life of the bearing. These bearings have ceramic balls, with stainless steel races and a C3 fit. Ceramic hybrids are lighter, capable of achieving higher RPM’s and sustaining higher operating temperatures than traditional bearings. Bearings that are packed in grease will require a short break in period to loosen up. Kit (5) SMR699C-YUU/C3 NB2 SMR699C-YUU/C
RC Car & Truck Econo Power bearing kits are the most affordable way to replace stock bearings with high quality standard bearings. Boca's Econo Power RC Bearings have long been the industry standard for backyard bashers the world over. These bearings have chrome steel races, balls, retainers and shields. All Econo Power bearings are packed in grease and will require a short break in period to loosen up.