Your bike can be taken on several long-distance trains from Germany, Austria and Switzerland . Some trains offer additional bike parking in a luggage/bike compartment. To transport your bike, a reservation is absolutely necessary.
For more information on the bike transport service of Trenitalia, in Italy, click here.

Or you can let a service organise your bike transport. This service is offered for Germany, Austria and Italy. For more details about the service, click here.