The DID 420D Standard Series chain is a classic, non-sealed roller drive chain designed for bikes that were originally equipped with a non O-ring chain. It’s a straightforward replacement choice when you want dependable power transfer without the added drag or cost of sealed chain technology—ideal for smaller off-road and street applications.
With a clip-type master link, installation and servicing are quick and practical, making it a great option for frequent maintenance schedules. The 420 size and 102-link length cover many common small-displacement setups, while DID’s proven manufacturing helps deliver consistent fit and performance ride after ride.
Key features:
✅ Standard 420D chain – regular roller chain, non-sealed design
✅ Clip master link – easier installation and removal for routine service
✅ Strong for its class – 17.7 kN (3970 lb) tensile strength
Benefits of use:
🔹 Correct replacement type for motorcycles originally using a non O-ring chain
🔹 Easy maintenance thanks to the clip connector and simple construction
🔹 Versatile fitment across many small-displacement applications (up to 85cc)
Technical specifications:
📌 Brand: DID
📌 Chain size/type: 420 / 420D
📌 Seal type: Non-seal (non O-ring)
📌 Links: 102
📌 Master link type: Clip
📌 Tensile strength: 17.7 kN (3970 lb)
📌 Color/finish: Steel
📌 Weight: 0.70 kg / 100 links
Why choose this product?
⭐ A trusted, no-nonsense DID standard chain for everyday riding and frequent servicing
⭐ Practical clip master link makes workshop time faster and simpler
⭐ A solid match for riders who need the right chain type for small bikes without sealed-chain complexity