DID 420D is a standard non-sealed (non O-ring) roller drive chain for small-displacement bikes up to 85cc. A solid OEM-style replacement for applications originally fitted with a non O-ring chain.
DID 420D Standard Chain is a straightforward, reliable roller drive chain designed for bikes that use a classic non-sealed (non O-ring) setup. With a proven, industry-standard construction, it’s a great choice when you want an OEM-style replacement that delivers consistent power transfer and easy servicing.
If your bike was originally equipped with a non O-ring chain, this chain helps you restore dependable drivetrain performance without moving to a sealed design. The included clip-type master link makes installation and removal simpler—ideal for frequent maintenance and quick replacements.
