Schmidt’s rear light saddle clamp for 31.8 mm seat posts in black with red glass, with 190 cm cable
This Schmidt Son rear light also functions as a seatpost clamp and clamps onto a seatpost with a diameter of 31.8 mm. It is designed for use with hub dynamos and is the ideal complement to the Son Edelux headlights.
Herstellerinformation: SON, Aixer Straße 44, 72072 Tübingen, Germany, https://nabendynamo.de