The ORing Chains are the modern drive chains consists of a rubber "O Ring" placed between the chain plates These ORings are fitted in between chain plates to seal the already vacuum filled grease between the rollers and the other internal components of chainThe Oring chain comes with industrial grease sealed in the parts;See parts of a chain and learn where the critical surfaces are for maintenance to lower friction and motion resistance, get maximum performance and long serv
Motorcycle Chains 101 The Sealed Deal Rider Magazine
