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Drivetrain› Belt and Chain Drive

RK Racing

RK Chain RK-M 420-120 - Natural

$22.19 $19.97 Save $2.22

SKU: R05K 420-120

In Stock
In Stock
Ships by Jul 30
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The RK Racing M420-120 is a 420 series chain with 120 links, designed for both street and off-road applications up to 80cc. It is constructed from Japanese steel and alloy steel, featuring two-point riveted pins and curled bushings for enhanced performance and durability. The chain is pre-stressed and pre-stretched to minimize adjustments.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRK Racing
Part NumberR05K 420-120

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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