The Rohloff Speedbone for mounting disc brakes. No. 8550, colour: black anodised
To fit the Rohloff Speedhub with disc brakes, you will need the Rohloff Speedbone and the OEM 2 axle plate. Colour: black anodised
Herstellerinformation: ROHLOFF, Mönchswiese 11, 34233 Fuldatal, Germany, https://rohloff.de