DID 420D Standard Series is a classic non-sealed 420 roller drive chain for bikes that originally use a non O-ring chain. A dependable, lightweight choice for small-displacement applications up to 85cc.
DID 420D Standard Series drive chain is a straightforward, reliable roller chain designed for motorcycles originally equipped with a non O-ring (non-sealed) chain. It’s an ideal solution when you need a dependable replacement for smaller bikes where low weight, smooth power transfer, and easy service matter.
Because it’s a non-sealed design, it offers a classic feel and simple maintenance—great for riders who regularly clean and lube their drivetrain and want an affordable, proven chain from DID.