Legendary Performance PRO-RIDE™ CHASSIS: The INDY® is built on the proven PRO-RIDE™ Chassis that is 300% stiffer for precise, intuitive handling. The ideal choice for a nimble handling sled that’s fun to ride. ARTICULATED REAR SUSPENSION: The 155 rear suspension features an articulated rail for the best off-trail snowmobility and to prevent trenching when backing up. The rail tips up at the rear so the track can ride over obstacles and is easier to back up. PRO-RIDE™ RMK® FRONT SUSPENSION: Nimble yet stable, the adjustable RMK® front suspension delivers superior ride and handling on or off-trail. HIGH-FLOTATION 155" TRACK: This 15” x 155” x 1.6” Cobra track features deep lugs with a cupped design to deliver outstanding off-trail performance. The lugs provide great deep snow traction and their stiffness ensures great on-trail performance as well.