#420 3' Roller Chain for Scooters & Mopeds

3' Roller Chain for Scooters, Mopeds, and More

This #420 roller chain suits scooters, mopeds, and a range of small motorcycles, such as pocket bikes, ATVs, and dirt bikes. It helps transfer power reliably in these machines. It comes in 3 feet, 5 feet, 10 feet, and 25 feet lengths, so you can pick the amount that fits your build. It is one of the mini bike & pocket bike parts you can swap out yourself at home to keep your ride in good shape.

Construction Details

Each roller measures 7.77mm across, and the gap between the inner plates is 6.25mm. The pins are 3.96mm in diameter and 14.70mm long, or 16.1mm including the clip. Inner plates have a depth of 12.00mm and are 1.50mm thick. Together these dimensions give the chain a solid build that can handle outdoor riding.

Performance and Replacement Timing

The chain has an average tensile strength of 18.1 kN and a maximum tensile strength of 16.00/3636 kN/LB. It is worth checking the chain regularly, particularly if the vehicle shows visible wear or you notice performance problems. Replacing it on time supports good engine operation and a smoother ride.

Specifications

• Roller Diameter: 7.77mm
• Width Between Inner Plates: 6.25mm
• Pin Diameter: 3.96mm
• Pin Length: 14.70mm (16.1mm with clip)
• Inner Plate Depth: 12.00mm
• Plate Thickness: 1.50mm
• Average Tensile Strength: 18.1 kN
• Maximum Tensile Strength: 16.00/3636 kN/LB
• Fits: Universal #420 metric roller chain for scooters, mopeds, pocket bikes, ATVs and dirt bikes

Fitment

How to choose: Make sure the chain pitch matches your sprockets. This chain is #420, so the sprocket teeth need to be designed for 420 chain. It is sold in 3 ft, 5 ft, 10 ft, or 25 ft sections.

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