This is a simple mechanical friction throttle control device and is a direct replacement for original equipment weights. The devices are carefully designed to not create any large weight difference between the OE bar end weights and Easy Cruz device. It can be used as cruise mode by turning the knob anti-clockwise or as city mode by turning the knob clockwise. This model is specific for the BMW 310 G 310 R/G 310 GS as well as the TVS Ronin