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Drivetrain› Drive Shafts and Components

RK Racing

RK Chain GB420MXZ-100FT - Gold

$1,249.82 $1,125.96 Save $123.86

SKU: R05K GB420MXZ-100FT

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The RK Racing Gold GB420MXZ 420 Race Spec Chain is a high-performance drive chain with 100 links, crafted from chromoly steel for durability. It features a tensile strength of 4,980-5,000 lbs, making it suitable for motorcycles with up to 30 horsepower and recommended for 140cc+ motors. This chain is universally applicable and available in gold or natural finishes.

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-100FT

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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