Inspired by team drivers, this great new kit installs a second, larger idler pulley on your X-Factory X-5 Squared to reduce belt skip while maintaining complete driveline freedom. Your Squared idler bar is pre-drilled and tapped with holes for the Upgrade system, so installation is easy. The larger pulley mounts closer to the drive gear, increasing belt wrap and that reduces skip both on acceleration and braking. The normal idler is moved further back and slightly down on the idler bar, and the bar installs in the X-5 Squared just as it always did. This pulley arrangement allows the belt angles to be less than with just one, so driveline freedom is maintained.