Polaris Phoenix 200 Demon Heavy Duty AxleThrough years of research and development Demon Powersports has developed an axle that doesn't burn a hole in your pocket and adheres to the highest quality standards. These axles are bigger, beefier, and stronger. Demon Heavy Duty Axles are built using larger CV joints and shafts, paired with our proprietary dual heat treatment process, and 4340 Chromoly Steel inner CV cage gives these the axles the edge it needs for superior strength and longevity.