Bicycle specific cartridge bearing, covering virtually all headsets in the market
Specification and quality matches original bearings selected by the engineers at the world's leading bike brands
Nylon retainer, CrMo races, CrMo (HRC 61-66) ball bearings
Tolerance ABEC-3
Rubber LLU (full contact) Seals
Multemp SRL (Kyodo Yushi) Grease
Manufacturer information: Learn more about M Part.