BK-54101 - ABEC-3 Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs 428420 Bearing Bottom Bracket for PF30

Bearing Bottom Bracket for PF30 Framesets to 30mm Cranksets (for older specification spindles under 90mm wide)

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

A radial bearing used by Wolf Tooth for their WolfCage offset Jockey Wheel

BRT-040 - Toolkit for BB bearing removal and installation

Enduro bearings are available in a wide range of materials and performance levels

BK-54101 - ABEC-3 Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs 428420 Bearing Bottom Bracket for PF30BK 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