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reduced drag of a hub bearing
our bearings have black oxide inner rings for further rust protection
AC3041 R2 10 ACB518K TH073
FSA name is Ball Bearing MR013
FSA OFFICIAL BEARING
Shimano Hollowtech 2 II Bottom Bracket Kit 2 x 6805 2RS Bearings Shimano reduced drag of a hubExtend the life of your Shimano Hollowtech 2 bottom bracket by simply replacing the bearings and reusing the body and cups. This kit contains 2 x 6805 2RS (sometimes known as 6805 RD 61805), which are the correct bearings for this bottom bracket. These are equal performance and will keep cranksets spinning fast, with little resistance Measurements 25x37x7mm Whilst Shimano do not recommend replacing the bearings, it can be done, as is quite simple.