Description Here is how to keep warm on a cold ride! These easy to install 12 Volt heated scooter, ATV, dirt bike grips with thumb throttles will work on about any gas or electric powered vehicle with standard 7/8″ (22 mm) diameter handlebars. Specifications Power: adjustable 12 watt to 24 watt Red Line: DC+12 cathodes Black Line: DC -12 anode Length: 128mm