DID 420D is a standard, non-sealed roller drive chain for bikes originally equipped with a non O-ring chain. A great choice for lightweight MX/pit bikes up to 85cc, offering reliable power transfer with simple serviceability.
The DID 420D Standard Series drive chain is a straightforward, dependable roller chain designed for motorcycles that originally came with a non O-ring (non-sealed) chain. If you want a cost-effective replacement that keeps your drivetrain responsive and easy to maintain, the 420D delivers proven performance with an industry-standard durability rating.
It’s especially well-suited for smaller displacement bikes (up to 85cc off-road/street applications), where a lightweight chain and simple clip-type master link make installation, cleaning, and routine servicing quick and hassle-free.
