Keep your hands warm in the harshest weather conditions with these 5 Level Heated Grips from Koso. Designed for use on twist throttle setups with an easily operable external controller, featuring a simple one-button operation that allows you to adjust 5 different levels of temperature settings. 5 level controller lets you set grips to the desired comfort level. LED lighting shows the current temperature setting. Short circuit and low battery cut off protection. Resistant to outdoor conditions and high temperatures. Internal memory allows grips to stay at last selected temperaturel. Thin and flexible silicone wires make for easy installation. 1 to 1-1/8"