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RK MXZ4 Series

Supercross and Motocross Racing Chain

Clip Connection Link

TECH SPECS

Not recommended for street use

420MXZ4

  • Tensile Strength: 5,400 lbs
  • Max CC Rating: 150cc¬†Off-road
  • Master Link Included: Clip type

428MXZ4

  • Tensile Strength: 6,100 lbs
  • Max CC Rating: 150cc Off-road
  • Master Link Included: Clip type

520MXZ4

  • Tensile Strength: 8,000 lbs
  • Max CC Rating: 500cc Off-road
  • Master Link Included: Clip type
MXZ4 Chain Specification Chart

520MXZ4 is available in the following colors: Natural, GB=Gold, BB=Blue, MM=Green, DD=Orange, YY=Yellow, RR=Red and BP=Black with Silver pins and bushings

PRODUCT DETAILS

RK MXZ4 WORKS RACE CHAINS

Heavy duty chains made for the serious Motocross racer, MXZ4 chains feature Chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength. All components are heat-treated using RK’s exclusive HIT (Heat Induction Transfer) process.

The newly released 420 and 428MXZ4 lightweight mini-works racing chains were developed from the same advanced alloy material and manufacturing technology as 520MXZ4. The 420 and 428MXZ4 Racing Chains are the strongest in their class giving you the best Value-Performance rating of any MX Racing Chain in the world today!

The 520MXZ4 has a maximum tensile strength rated at 8,000 foot pounds and weighing in at only 3.02 lbs., 520MXZ4 is the lightest and strongest Motocross chain available today! Ideal for professional level 125cc to 500cc Open Class racing.

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