on this interactive map by ciclorio, many of rio de janeiro's bicycle paths are shown, along with repair shops, showers, and locations of 'laranjinhas' - rio's public bicycles, and niterói's public bicycles.  

this page opens a printable map of the bicycle paths in the entire rio, while this page opens a map by rio's prefecture showing the bicycle paths in the zona sul, zona central, and zona norte of rio, and depicts existing and planned bicycle paths for each district.

this map shows a simplified layout of the main bicycle paths, with a list of landmarks at the base of the map.