M-Track / Bicycle parts

M-Track is a kind of device carried onto the bicycle to help riders trace the direction of their companions when their distance is increased casued by riders’ tiredness and complicated fork in the road.By utilizing the braking principle of bicycle, M-Track devices use a wire connecting the spray bottle located in rear frame of bicycle with the button on handlebar. Riders can spray the coloful and obvious track on the ground according to their needs to remind the companions falled behind, making the cycle more relax and free.