Enduro Bearings MR 2437 LLB ABEC 3 24x37x7 bottom bracket bearing radial

ABEC-3 Radial Bottom Bracket bearing featuring Black-Oxide treated 52100 High-Carbon Chromium alloy races paired with grade 10 Balls with 90% fill, high-pressure, water-proof grease. Black oxide/magnetite treatment to the races provides an extra level of corrosion resistance and extended worry-free performance. The most common use for this bearing is as a direct replacement bearing for Shimano-type external cup BBs and cranksets with 24mm spindles.