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Inner Race Width - 41
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
they require a light preload to guarantee the best adjustment
2mm x 25mm x 6
BK-54101 - ABEC-3 Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs 428420 Inner Race Width - 41BK 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
