From personal experience I can say that TLM (Teo Lamers Motorcycles) does a lot of the things you mention. They organize bike trips to Mandello (GMG), do tours in the area, bike presentations and have a coffee corner. On saturdays when the weather is good, there are always bikers visiting, just kicking tyres. But the people from TLM always try to take the time for a small chat (with free advice if needed)