DID 420D Standard Series is a reliable, non-sealed 420 roller drive chain designed for bikes that originally run a non O-ring chain. Lightweight and easy to service, it’s a solid choice for smaller-displacement off-road and street bikes.
DID 420D Standard Series Drive Chain is a straightforward, dependable solution for riders who need a classic non-sealed (non O-ring) chain. If your bike was originally equipped with a standard roller chain, the 420D is a direct and cost-effective replacement that keeps maintenance simple and performance consistent.
With an industry-standard chain life index rating and a lightweight construction, it’s well-suited for smaller-displacement motorcycles where smooth power transfer and easy installation matter. The clip-type master link makes fitting and trackside servicing quick—ideal for frequent cleaning and adjustment routines.