BikeMaster Heated Grips (7/8) For twist throttle applications This new elegant grip design with revolutionary heating structure delivers heat faster than ever. The new five-level temperature controller allows you to accurately adjust the grip temperature. You no longer need to tolerate uncomfortable temperatures. Elegant, open-end grip design make the heated grip both functional and stylish Specially-selected rubber material resists outdoor environments and provides a secure and comfortable grip Suitable for 12V DC application only