bars were designed to take the hassle out of lowering your handlebar height. They will make riding in steep technical terrain easier because it keeps the bars in a position that is more rider friendly. They come built with OEM hand warmers and grips installed. We offer them with both OEM hook ends or 45 degree ends with longer grips. The OEM mountain bar is also compatible. part numbers: Grip heater 2416055 Grips 5456513