Enduro Bearings ABEC5 MR 18307 LLB A5 Bearing

. Giving military standard performance when it comes to strength and durability, this cycling specific bearing utilises precision hardened Grade 5 Chromium Steel Balls, and 52100 High Carbon Chromium Alloy mirror polished races to offer a silent, higher tolerance than its ABEC 3 counterparts. Equipped with low contact rubber seals and Kyodo Yushi PS 2 grease this A5 model maintains a long lasting and smooth performance. Features Dimensions 18x30x7mm ABEC5 Grade5 Seals LLB Grease Kyodo Yushi PS 2 Application Hubs, Bottom Brackets BuyEnduro Componentsfrom Chain Reaction Cycles, the World's Largest Online Bike Store.