M Part

cartridge bearing mr215317 21,5x31x7

£10.99

Contact us directly for more information about this item.

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