The turn signals HIGHSIDER LED FLIGHT with metal case black and smoked lens,approved. It is possible to mount the turn signals directly on the end of the handlebar or, possibly, together with rear-view mirrors bar-end using the turn signals as counterweights. This system ensures quick and easy assembly. Suitable for handlebars with internal diameter 12 to 22 mm. Dimensions Width: 21.5 mm diameter: 34.5 mm allocation of cables: Yellow cable = indicator (+) cable black = Ground (-) Contents of delivery: torque, mounting kit is included and locking system universal.