Motion Pro® is your source for ATV Twist Throttle Conversions! We offer a wide range of kits for all different styles of ATVs including replacement cables for use with stock throttles and aftermarket carburetors. We now also offer a throttle kit for the popular XR50/CRF50. The kit was designed for use with the stock carburetor and high rise bars. If you have any throttle kit questions, be sure to let us know we'll gladly answer any questions you might have.