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Exterior Components› Body Panels and Components

RK Racing

RK Chain 520SO-120L O-Ring - Natural

$97.58 $87.82 Save $9.76

SKU: R05K 520SO-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 Chain 520SO-120L is a 120-link motorcycle chain designed to meet or exceed OEM specifications. Constructed from premium steel, it features heat-treated high-carbon steel components for pins, solid rollers, and bushings. The chain is equipped with O-ring seals for enhanced lubrication, reduced friction, and improved longevity.

It is pre-stressed to minimize stretching, ensuring dependable performance. The RK Chain 520SO-120L is suitable for racing purposes and applications up to 400cc.

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 520SO-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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