Enduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm MFPN=SM-E131-BK 45-degree precision ground bearing raceways

45-degree precision ground bearing raceways

SHIMANO Deore 11 spd Drivetrain

Color Black/Blue Rise 25 Material Alloy Upsweep 5 Defined Color Blue Back Sweep (deg) 8 Bar Clamp Diameter (mm) 35

All taps are made of high carbon steel and are precision ground and hardened to stay sharp

Enduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm MFPN=SM-E131-BK 45-degree precision ground bearing racewaysZero 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