These new knobs with revolutionary heating system confer heat more quickly. The new temperature regulator to 5 levels allows to accurately adjust the temperature of the grip. Specification: - The stylish design of the knob makes the handle more beautiful than the other manopoole heated aftermarket. - These knobs will heat more quickly than the traditional knobs. - The temperature regulator allows to select 5 different levels of heat. - The material in special rubber resists to the outside environment. - Even at high temperature, the handgrip remains resistant.