GG Duetto
The GG Duetto was sold as motorcycle-sidecar combination built by Swiss manufacturer Grüter + Gut Motorradtechnik GmbH (GG) between 1994 and 1999. Approximately 30 units were produced. Unlike a traditional sidecar added to a motorcycle, the GG Duetto is built to function only as a sidecar. While many manufacturers offer kits to convert existing motorcycles for sidecar operation, the GG Duetto was only sold as a fully assembled vehicle not registered as a vehicle produced by BMW motorcycles.