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Exterior Components› Body Panels and Components

RK Racing

RK Chain 428MXZ1-90L - Natural

$43.94 $39.55 Save $4.39

SKU: R05K 428MXZ1-90

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

Easy — 1–2 hours

Description

The RK Chain 428MXZ1-90L is a non-sealed motorcycle chain designed for mini MX and SX racing. It features Chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength. This chain has a tensile strength of 6,070 lbs, a maximum CC rating of 150cc for off-road use, and a maximum horsepower rating of 30 HP.

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 428MXZ1-90

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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