The turn signals APOLLO CLASSIC approved as turn signals (front and rear). Modern design but with roots in the past is reminiscent of the classic lines of the glorious years 70. Inside the body there is a technological system of leds able to develop a very bright. Diameter size: 22 mm B width: 39 mm C Depth: 21.5 mm length of the shank: 16 mm threaded bolt M8 x 1.25 Correspondence of cables: yellow cable = indicator (+) cable black = Ground (-) Views in pair.