Lite Weight Trackshaft is 1 pound less than stock Trackshaft. Fit’s 2012-Up ProClimb/ ProCross (except alpha models with aluminum oem shaft).
 
Also fits Yamaha Viper and Sidewinder
 
This shaft is very strong and has been used by several 600+ horsepower race sleds.
 
CAN BE USED TO REPLACE THE STOCK ALUMINUM TRACKSHAFT ON THE MOUNTAIN MODELS IF YOU CHANGE THE SEAL AND USE A SNAP RING TO HOLD THE GEAR ON. SAME AS THE OEM MODELS THAT HAVE A STEEL SHAFT STOCK.