The DID 420D Standard Series drive chain is a classic, no-nonsense 420 roller chain built for dependable power transfer and straightforward maintenance. As a non-sealed (non O-ring) chain, it’s a great fit for motorcycles and off-road bikes that were originally equipped with a standard chain—keeping rolling resistance low and performance responsive.
If your current chain is stretched, worn, or causing inconsistent acceleration, replacing it with a correctly sized 420 chain restores smooth drivetrain operation and helps protect sprockets from premature wear. With an industry-standard durability rating and DID’s proven manufacturing quality, the 420D is a solid choice for everyday riding and regular service intervals.
Key features:
✅ Standard 420 roller chain for bikes originally using non O-ring chains
✅ 108 links for common small-bike applications
✅ Clip-type master link for easier installation and removal
Benefits of use:
🔹 Efficient power delivery thanks to a lightweight, non-sealed design
🔹 Easy maintenance & servicing—ideal for riders who clean and lube regularly
🔹 Trusted DID reliability for consistent fit and performance
Technical specifications:
📌 Brand: DID
📌 Chain size/type: 420 / 420D (Non-Seal)
📌 Links: 108
📌 Master link: Clip connector
📌 Tensile strength: 17.7 kN (3970 lb)
📌 Finish: Steel
📌 Max displacement (off-road/street): up to 85 cc
📌 Weight: 0.70 kg / 100 links
Why choose this product?
⭐ A proven, industry-standard chain for correct OEM-style replacement
⭐ DID quality for dependable drivetrain performance
⭐ Simple clip-link installation for quick servicing and adjustments