• Lightest Weight

In 2011, we introduced a 431 lb PRO-RMK® 155. Now, when most sleds have gained weight, we continue to build ‘em lighter and stronger. The Polaris® PRO-RMK® 155 weights in at 417 lbs. That is 42 lbs lighter than the Ski-Doo® Summit X.

• PRO-RIDE™ Chassis with Carbon Fiber Overstructure

Confidence comes standard. When you have a sled that responds to your every input, you’ve got a sled that you can trust. From technical tree riding to a demanding sidehill and turn out, the PRO-RIDE™ chassis helps make you a better rider. Better weight transfer for Rider Active Control, and 300% more rigid chassis for more precise handling. Carbon Fiber Overstructure for reduced weight without compromising strength.

• Power and Strength to Dominate

The Polaris RMK Chassis is used by Polaris Hillclimb Racers and has been race-proven to have the Power and Strength to Dominate. In the 2012-13 race season, Polaris racers in the RMSHA circuit won 10 RMSHA PRO class points titles and went 23 for 24 in Stock class victories.

• QuickDrive™ - Low Inertia System

The QuickDrive™ Low Inertia System is designed to provide quicker acceleration and increased “flickability” through reduced rotating mass. Not simply a belt-drive, it is a complete lightweight drive system — featuring an extruded drive shaft, lightweight.

• PowderTrac™ - Running Boards

The PowderTrac™ running boards have been developed for maximum snow clean out and maximum strength. Built from extruded aluminum with bonded cast lugs, they boast an open area of 50% and integrated traction that is machined in for sure footed performance.

• PRO-LITE Seat

Mountain snowmobiling has changed and so has its seat. Shorter by 5.5" allowing you to easily swing a le