If there’s not a red bike at the red rack, chances are it’s probably in use around town.

Vision 2020 Bike/Walk Committee Chairman Steve Kime said he’s seen people riding them around town and parked in various places such as the Austin Municipal Pool and Spam Museum. On Bike Safety Day, he saw red bikes ride by about three or four times.

“They come, they go, they may be borrowing them for extended time,” Kime said.

The bike-sharing program debuted in April with 30 single-speed bikes at racks around town that people can borrow, use and return anytime they like for no cost.

But Kime says the demand for Red Bike is currently out-pedaling the supply, which is why he is gathering volunteers to get more bikes out in the racks. Currently, there are about 23 bikes in the racks and about 40 bikes in storage, waiting to be disassembled, painted and reassembled.

“I think we need more bikes and racks,” he said. “They need to be available. If I tell someone they can go ride and they get to a rack, there may or may not be bikes available.”

The city of Wilmar’s program, which Austin’s is based on, has 20 racks and 60 to 70 bikes out, Kime said. He plans to have more bikes out in a month or two.

“We know we need more,” Kime said. “In my mind, it’s positive. It’s a positive experience.”

He talked to one person recently at the Salvation Army who had one. The man told Kime he owned a bicycle, but it needed to be repaired, so he was riding the red bike for now. He said he was aware of the rules: ride, respect and return.

“There’s a lot of positive reports,” Kime said. “Some people appreciate it so much.”