BK-5418 - ABEC-3 Bottom Bracket Bearing Kit for Shimano 24mm cranksets and BB90/95 framesets 428420 radial bearing featuring black-oxide treated

radial bearing featuring black-oxide treated 52100 high-Carbon Chromium alloy races paired with Grade 5 Silicon-Nitride Ceramic balls with dual-lip labyrinth (LLB) seals to withstand the outside elements

ceramic-hybrid and XD15 with Ceramic or Stainless Balls

Overall Width - 20

each Linear Press rod features a static nut fitted with a precision needle bearing set with ground surfaces to provide smooth and accurate

BK-5418 - ABEC-3 Bottom Bracket Bearing Kit for Shimano 24mm cranksets and BB90/95 framesets 428420 radial bearing featuring black-oxide treatedBK 5418 ABEC 3 Bottom Bracket Bearing Kit for Shimano 24mm cranksets and Trek BB90 95 framesets 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