Simson Airy rear light This Simson Airy rear light is a premium quality rear light with a slim design. The innovative design of the rear light ensures a light emission that makes the cyclist clearly visible from the side. The light stays on when stationary for optimum safety! The rear light can be connected to any 6 volt dynamo. Specifications: Color: red Material: plastic Type of lighting: LED Power supply: hub dynamo Mounting: on luggage carrier Distance between mounting points: 80 mm