Our Stainless Rubber Seal line of bike bearings are specially designed for Off Road or excessively dirty riding environments. These bearings are maintenance free and lubed for life and an affordable way to replace stock bearings. 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.

 

Our Ultra Seal line of ceramic hybrid bicycle bearings are specially designed for On Road and relatively clean riding environments. These bearings are maintenance free and lubed for life. The non-contact seal eliminates any drag typically associated with a rubber sealed bearings and still provides extra protection against

 

Ceramic Lightning Yellow Seal Bicycle Bearings Kits are specially designed for Off Road and excessively dirty riding environments. These bearings are maintenance free and lubed for life. The heavy duty rubber seal provides extra protection against the harshest elements. These bearings have ceramic balls, with stainless steel

 

Full Ceramic Peekaboo5 bike bearing kits are specially designed for competitive on-road or off-road riders looking for the absolute least amount of rolling resistance. Peekaboo5 bearings have high precision, grade 5, silicon nitride ceramic balls, Zirconia ceramic ABEC 5 races, a high speed Peek retainer, no friction peek

 

Peekaboo5, Ceramic hybrid bicycle bearing kits are specially designed for use with motorcycles, road/mountain bicycles and other demanding applications. Peekaboo5 bearings have high precision, grade 5, silicon nitride ceramic balls, extra hard chrome steel races, Boca’s exclusive Ultra dry Lube (UDL) coating, ABEC 5 toleran

 

Silicon Nitride (Si3N4) Ceramic Balls are suitable for applications where high loads, high speeds and extreme temeratures are factors. Long life and the need for minimal lubrication make this material appropriate for extreme applications. Silicon Nitirde is non-porous, non-magentic, non corrosive and lighter than steel.

 

The wheel bearings sit between a cone screwed to the wheel axle and the cup in the wheel hub. They must be properly adjusted and greased. To find out if they need greasing without taking everything apart, simply remove the wheel from the bike, support the axle horizontally with your fingers, and turn the wheel slowly--try not to tilt the axle as it rotates. If the wheel does not turn smoothly or you can feel tiny bumps in your fingers, then you must dismantle the bearing assembly and service the bearings.