Motorcycle chain guard by Regina. It is the "fastening" of the chain, that is, the part responsible for keeping the chain in place and not opening.
Motorcycle Chains & Sprockets
Regina Chain Link 26/124 O-Ring Sealed Chain Code: 26/124OROY
Motorcycle chain guard by Regina. It is the "fastening" of the chain, that is, the part responsible for keeping the chain in place and not opening. See full description