Enduro ABEC 3 2437 Bearing

Enduro ABEC 3 2437 Bearing ABEC-3 Radial Bearing featuring 52100 High-Carbon Chromium alloy races paired with grade 5 Balls with 90% fill; high-pressure; water-proof grease. Designed specifically bicycle applications; the LLU/LLB seal combination on these bearings utilizes a more protective LLU seal facing outward; towards the elements; to reduce contamination from water or dirt; while the lighter-contact (less seal-drag) LLB seals facing inward keep the grease where it belongs.