DID 420D Standard Series is a classic non-sealed roller drive chain for bikes that originally run 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, proven roller chain built for riders who want a reliable replacement without the extra drag and cost of sealed designs. It’s designed for applications that are originally equipped with a non O-ring chain, making it an excellent fit for many small off-road and light street setups.
With an industry standard chain life index rating of 100, this chain is a dependable option for everyday riding and regular maintenance schedules. The included clip-type master link makes installation and servicing quick—ideal when you need to swap or resize a chain efficiently.
