Rouski - EVO Pilot 7.4 Retractable Wheel System for Sled/SnowmobileDiscover the Kimpex Rouski EVO retractable wheel system for snowmobiles. A new design concept to improve your off snow traveling experience! Remaining as safe and efficient as ever to protect your runners and make your travel easier, the Rouski EVO features an easier to engage system, which is compact, lockable, and better integrated. Unique on the market, the retractable wheel mechanism also stands out with its two part design: the Rouski Evo