MSR 520 RX3 Professional Chain

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MSR Racing 520 RX3 Professional Regina Chain MSR has joined Regina to bring you the world's best quality chain Lightest possible weight with maximum performance Shot-peened alloy steel plates and special chromized pins on the RX3 eliminates wear, giving the longest life possible Gold outer plates with grey rollers Suitable for up to 500cc dirt use Average tensile strength of 7,650 lbs. **Note: Recommended Chain Length is a based on OEM gearing and chain size. May require additional links or cutting if stock gearing has been altered.