MBS CNC Aluminum Motor Mount Arms are the first step in electrifying your favorite MBS mountainboard. Simply add the appropriate clamp to fit your trucks (Matrix II or Matrix III) for a guaranteed seamless and secure fit. Compatible with MBS Motor Mount Covers for extra protection and style points.

• Precision CNC machined from 6061-T6 Aluminum

Note: Recommended belt size when using MBS 72T Wheel Pulley is 475mm (no idler pulley). Using a 32mm idler pulleys in the center position requires 520mm belts.