Bicycles can only be transported in the Metro, but this is free of charge. Here you can see some bike rental outlets in Prague:
PRAHA BIKE Dlouhá ulice 24, Prague 1Tel.: +420 732 388 880
http://www.prahabike.cz/
WS-SKI RENT
U Hrušky 15, Prague 5Tel.: +420 602 562 256
http://www.ws-skirent.cz
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