Designed for the rigorous demands of motocrossTougher and more resilient than aluminum tubesWill not deform and seize upon a hard impact like aluminum tubes canNo more DNFs due to bent or broken throttle tubesProprietary low-friction material provides smooth operation and eliminates gallingNo irritating and uncomfortable vibration like aluminum tubesHigher performance than aluminum tubes at a much lower costCannot be used with bar end mounted hand guards