RK Pro Heavy-Duty GB520MXZ5 Chain Chemicals Far better than standard chains

Far better than standard chains in every aspect such as fatigue strength

The temperature sensor easily mounts in-between your radiator's cooling fins

Temperature gauge reads in both Celsius and Fahrenheit

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A clean and well lubricated chain ensures a long lasting drive train

RK Pro Heavy-Duty GB520MXZ5 Chain Chemicals Far better than standard chainsNOT RECOMMENDED FOR STREET USE MXZ5 is one of the strongest supercross motocross racing chains available on the market today. Made for the professional supercross & motocross racer, MXZ5 is the newest generation of supercross motocross racing chains featuring Chromoly steel construction and seamless rollers and bushings Please note that MXZ5 and MXZ4 connecting links are NOT interchangeable! You must use MXZ5 connecting links on MXZ5 chains and MXZ4