The rear suspension on the 2015 ST and LT kits was refined and mounted higher in the tunnel to create a lower ride height. The chassis was also reengineered to sit at a 4 degree flatter angle putting less weight on the ski, and biasing more weight to the track. This creates more traction, more controlled steering and significantly improves ride quality. It also allowed us to redesign the suspension rails, refine the bump stops, and recalibrate the rear suspension. This added 12% more available rear suspension travel over previous ST/LT models, all while lowering the seat height.