Citybikes provides a great service for Viennese as well as tourists. You can rent and return a bicycle in any of the 100 stations, which are usually located close to major subway stations or other public transport hubs. What do you have to do to get one?
Register on the Internet at www.citybikewien.at or directly at the Citybike Terminal with a credit card (Master Card, Visa, JCB) or a Maestro Card (debit card) by an Austrian bank. You will have to pay a one-time registration fee of EUR 1.
For rental charges and more info, visit their website www.citybikewien.at or call the free hotline @ 0810 500 500.