Premium Replacement RK Brand 420M Chain (Choose your Length)
- Made in Japan
- A= 12mm / .54"
- B= 7.6mm / .30"
- C= 6.7mm / .26"
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Includes:
- (1) Custom Length Drive Chain
- (1) Connecting Link
Choose your size:
- Use the Provided Diagram to help determine the number of links you will need.
- Total number of links will include a connecting link as 1 link.
- Choose you total number of links from the drop down menu below.

Product Features:
- All RK chains are pre-stressed and pre-stretched to ensure equal load distribution and minimal maintenance.
- Heat-treated medium carbon alloy steel construction.
- All components heat-treated and shot-peened for maximum strength.
- Two-point pin riveting and solid rollers.
- For motorcycles up to 400cc that did not come with an O-ring or heavy-duty chain as standard equipment.
- Wear Life Index std. as 100: 100
- Tensile strength: 4200 lbs .
- Disp. max cc's: Street 125cc Dirt 125cc
- Includes CLIP TYPE master link.
Stock Known Sizes:
- TaoTao 125D = 80 Links
- TaoTao 125H = 86 Links
Note: Some factory installed chains are very tight even with the chain adjuster all the way in. In these circumstances we recommend adding two links to the Link size (80 = 82 Links) Chain sizeing must be done in even numbers.
Please look carefully at the pictures provided. If you have any questions regarding fitment for a specific model please call 732-991-2194 for assistance.