Heat Demon offers the best Hand Warmer Kits on the market. These are a great, must have accessory - 2 stage heated grips keep you comfortable and warm. Riding with these really do extend your riding season! This quality kit allows the heating elements to be fitted neatly and discretely under the OEM grips or your own favorite aftermarket grips. Easy to install, with 2 stage heat settings, the kit is suitable for all types of bikes, tourers, sports, and off road / enduro bikes. The kit consists of two heating elements on flexible Mylar tape that attaches to your handlebar (clutch side) and throttle tube (throttle side) via permanent adhesive on the back. The right and left heaters are different, to accommodate lower heat tolerance of plastic throttle tubes.