Enduro Bearings SMR 2437 Bearing Seal Kit for XD15 & 440c BBs - 4pcs - - Green

SE SMR 2437 XD15 Kit - Four-seal, replacement seal kit for SMR 2437 SS and CXD BB Bearings - Refresh your Shimano XD15 or 440C Stainless Bottom Bracket with this replacement seal kit. Enduro XD15 Ceramic-Hybrid bearings are guaranteed forever, but unfortunately, some of the parts that surround them can still wear out or get damaged. This dual-lip, light-contact silicone seal is the stock replacement for any MR 2437 (24mm x 37mm) XD15 or 440C stainless bottom bracket bearing.