Sale

Exterior Components› Body Panels and Components

RK Racing

RK Chain GB420MXZ-120 - Gold

$62.50 $56.25 Save $6.25

SKU: R05K GB420MXZ-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 GB420MXZ is a heavy-duty gold chain designed for motocross and dirt bike applications. It features solid rollers, solid bushings, and quad-riveted pins for enhanced wear resistance. The chain has an average tensile strength of 4,980 lbs and a special coating treatment that extends its life by 50%.

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 GB420MXZ-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.

View Full Return Policy