420 D Chain

The DID 420D Standard Series chain is a classic 420 roller drive chain designed for riders who want a straightforward, dependable replacement without extra complexity. It’s built for applications that originally came with a non O-ring (non-sealed) chain, making it a great fit for many smaller bikes where simplicity, correct fitment and easy service matter most.

If you’re replacing a worn chain on a smaller motocross or pit bike, the 420D helps restore smooth power transfer and consistent gearing feel—so you can focus on riding instead of chasing drivetrain issues.

Key features:

• ✅ Standard 420 roller chain (no technological add-ons—simple and effective)
• ✅ Non-sealed design for bikes originally using non O-ring chains
• ✅ Clip-type master link for quick installation and removal

Benefits of use:

• 🔹 Correct replacement choice for OEM non-sealed chain setups
• 🔹 Easy maintenance and fitting thanks to the clip master link
• 🔹 Reliable performance from DID’s Standard Series construction

Technical specifications:

• 📌 Brand: DID
• 📌 Chain size/type: 420 / 420D
• 📌 Links: 112
• 📌 Seal type: Non-seal (non O-ring)
• 📌 Master link connector: Clip
• 📌 Tensile strength: 17.7 kN (3970 lb)
• 📌 Max displacement (off-road/street): up to 85 cc
• 📌 Color/finish: Steel
• 📌 Weight: 0.70 kg / 100 links

Why choose this product?

• ⭐ A proven, industry-standard chain with a chain life index rating of 100
• ⭐ Ideal for straightforward replacements where you want dependable function and fit
• ⭐ Practical, service-friendly setup for frequent checks and routine drivetrain upkeep