M Part Cartridge Bearing 6805/6 2RS 25x37x6

Bicycle specific cartridge bearingSpecification and quality matches original bearings selected by the engineers at the world's leading bike brandsSteel retainer, CrMo races, CrMo (HRC 61-66) ball bearingsTolerance ABEC-3Multemp SRL (Kyodo Yushi) Grease

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