Pattinson, Stewart love riding bicycles

London: "Twilight" co-stars Robert Pattinson and Kristen Stewart love riding bicycles.

The two actors, who are rumoured to be dating, have been spotted riding their bikes together around Louisiana when not filming their scenes for the upcoming "Twilight" movies.

"I see Rob and Kristen riding around the parking lot almost daily," quoted a source as saying.

"Recently I spotted Rob riding out of the main studio gates on his bike and the next thing I knew, he was in front of my car at a stop sign, and Kristen was behind me," the source added.