Manufacturer/Model By Series

Peekaboo5, Ceramic hybrid plus loose silicon nitride(Si3N4) grade 5 ceramic balls 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 tolerance races, a high speed Peek retainer, low friction rubber seals and Boca's exclusive low friction grease. Ceramic hybrids are lighter, have less rolling resistance and can sustain higher operating temperatures than traditional bearings. Bearings that are packed in grease will require a short break in period to loosen up.

Ceramic Lightning Yellow Seal plus loose silicon nitride(Si3N4) grade 5 ceramic balls Bicycle Bearing Kits 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. 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.

Ceramic Lightning Ultra Seal plus loose silicon nitride(Si3N4) grade 5 ceramic balls 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 shield 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.

Full Ceramic Peekaboo5 plus loose silicon nitride(Si3N4) grade 5 ceramic balls 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 seals and Boca's exclusive low friction grease. Full ceramic bearings are virtually frictionless and roughly half the weight of a steel bearing.