Precision 6810 & 61810 Bike Bearings for Ultimate Performance

High-grade SHJZ thin wall section construction (50*65*7mm) ensures lightweight durability. Features deep groove ball design with optional 2RS rubber seals or ZZ metal shields for dust/water resistance.

CNC-machined chrome steel races and ceramic hybrid balls reduce friction by 40% compared to standard bearings. Precision ABEC-3 rated for smooth rotation under heavy loads.

Ideal for high-speed cycling applications: road bikes, e-bike motors, wheel hubs, and bottom brackets. Compatible with Shimano/SRAM drivetrains.

Bulk pricing available for bike manufacturers and repair shops. Direct factory sourcing guarantees 30% lower cost than retail packaging. Ships in OEM bulk packs (100pcs/box).