BKC-54103 - XD15 Ceramic-Hybrid, ABEC-5, Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs TH-873 MR 17287 LLU/LLB C3 -

MR 17287 LLU/LLB C3 - ABEC-5

This bottom bracket requires two bearings

and spacers needed for proper chain line adjustment

This bearing has been used as a suspension pivot bearing by Intense

labyrinth (LLB) seals and 90% fill with Mobil XHP 222 high pressure water proof grease to withstand daily abuse of use and the elements

BKC-54103 - XD15 Ceramic-Hybrid, ABEC-5, Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs TH-873 MR 17287 LLU/LLB C3 -BKC 54103 XD15 Ceramic Hybrid, ABEC 5, Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs Enduro's top of the line BB bearing kit, we couple our XD15 Ceramic Hybrid, ABEC 5 bearings along with all of the necessary seals and spacers to complete a precise, professional installation. An Enduro Bearings exclusive, our XD15 Ceramic Hybrid bearings combine corrosion proof, cryogenically treated nitrogen steel races with Silicon Nitride