ENDURO BEARINGS 61805 LLB

Enduro 61805 LLB - ABEC-5 Radial Bearing (C3 Clearance) - 25 x 37 x 7mm - A radial Bottom Bracket Bearing featuring 52100 High-Carbon Chromium alloy races paired with grade 5 Balls with 90% fill, high-pressure, water-proof grease. The most common use for this bearing is as a direct replacement bearing for Shimano external cup BBs when using the plastic Shimano bearing insert. If you wish to avoid using the plastic insert MR 2437 is the correct bearing for the job. Enduro