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Drivetrain› Belt and Chain Drive

RK Racing

RK Chain 420MXZ-108L - Natural

$41.85 $37.67 Save $4.18

SKU: R05K 420MXZ-108

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 420MXZ-108

Heavy duty MXZ Mini Racing chains made for mini MX and SX racing. MXZ chains feature Chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength.

MIA's Description

The RK Chain 420 MXZ series is a non-O-ring motocross chain designed for off-road applications. All components are heat-treated for high performance and durability. It features seamless rollers and bushings with oversized alloy pins for added strength. This chain is available in Gold or Natural finishes and has a maximum tensile strength of 5,000 lbs.

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 420MXZ-108

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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