Enduro Zero Ceramic Grade 3 6901 Sealed Cartridge Bearing 12 x 24 x 6mm. Zero Ceramic bearings are the ultimate race day weapon. Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity and slippery Silicone seals to produce minimum resistance.
All measurements are in millimeters
ABEC 5 precision cartridge bearing
CERBEC USA Grade 3 Si3n4 Silicon Nitride balls
52100 high carbon Chromium alloy races
Races receive 3 cryogenic treatments and a rust proof Magnetite finish
“VV” type 2-lip non-contact Silicone labyrinth seals
