BK-54101 - ABEC-3 Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs 428420 Press-In Bottom Bracket Bearing solution

Press-In Bottom Bracket Bearing solution for BB86/92 framesets and 30mm cranksets – 30mm x 41/44mm x 11mm

and contain the 90% fill Kluber NBU52 grease that runs smoother with time and is highly resistant to being washed out

The most common use for this bearings as an upgrade replacement bearing for BB30 and BB386 Cranksets with 30mm spindles

Inner Race Width - 41

Inner Race Width - 28mm

BK-54101 - ABEC-3 Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs 428420 Press-In Bottom Bracket Bearing solutionBK 54101 ABEC 3 Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs Enduro's entry level BB bearing kit, though many steps up when compared to other products on the market, we couple our ABEC 3 radial bearings along with all of the necessary seals and spacers to complete a precise, professional installation. Engineered specifically for bicycle use, Enduro ABEC 3 bearings feature 52100 High Carbon Chromium alloy races paired with grade