DID 420D is a standard, non-sealed 420 drive chain for bikes that originally run a non O-ring chain. A reliable, no-frills choice with solid strength for smaller displacement applications.
DID 420D Standard Series is a classic roller drive chain built for riders who need a dependable replacement without the added drag or cost of sealed (O-ring/X-ring) chains. It’s designed for applications that came from the factory with a non O-ring chain, making it an ideal fit for many small-displacement off-road and street bikes.
With an industry-standard chain life index rating and strong tensile performance, this chain delivers consistent power transfer and straightforward maintenance—perfect for regular riding, training, and everyday use where simplicity and reliability matter.
