Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Designed for the rigorous demands of motocross. Tougher and more resilient than aluminum tubes. Will not deform and seize upon a hard impact like aluminum tubes can. No more DNFs due to bent or broken throttle tubes. Proprietary low-friction material provides smooth operation and eliminates galling. No irritating and uncomfortable vibration like aluminum tubes. Higher performance than aluminum tubes at a much lower cost. Lifetime limited crash warranty - if it stops working due to a crash or tip over Motion Pro will replace it!