DID 420D Standard Series is a reliable 420 roller drive chain for bikes that use a traditional non-sealed (non O-ring) setup. A great fit for smaller-displacement applications where simplicity and easy service matter.
The DID 420D Standard Series chain is a classic, no-frills roller drive chain designed for motorcycles originally equipped with a non O-ring (non-sealed) chain. It’s a practical choice for smaller bikes where low rotating mass, straightforward installation and easy maintenance are key. With DID’s proven manufacturing quality, you get smooth power transfer and dependable everyday performance for track, pit or trail use.
If you need a direct replacement for a standard 420 chain—without the added drag and complexity of sealed designs—this 420D chain delivers a simple, effective solution that keeps your final drive working correctly and predictably.
