Magnesium Chaincase: A magnesium chaincase cover saves weight and adds extra durability. Lightweight Front End: Light and streamlined, the front end features a narrow pan and strong bumper system for superior durability and control. Walker Evens Shocks: Walker Evans air shocks are the ultimate in performance and durability. The springless design sheds excess weight for the true deep-snow domination. Lightweight Spindles: The Polaris-exclusive, forged spindles are lightweight and durable, delivering superior control, stability and rider confidence. Race-Bred Brakes: Dragon RMK models feature the race-proven cyclone master cylinder, mated to a 'wave' type brake rotor to deliver 35% more braking power along with reduced weight. Ice Scratchers: Attached to the rails, ice scratchers drag in the snow along the skid frame and help keep the hi-fax lubricated. Losing the wheels saves 4 lbs. Lightweight Rails: The Dragons lightweight rail beam design sheds critical pounds yet delivers incredible strength.