We went to spinners for bike rental. The bikes were a great price and the manager (I think, there was only one employee) was super friendly.
It's right on the green belt so it makes it an easy ride. We bought the Yelp deal and rented two bikes for 2 hours. The toal price was 22$. They also give you a lock incase you want to stop. We rode down the greenbelt to Tempe and then along Tempe Town Lake (5miles there from the shop).
They also have a huge selection of disc golf discs that are very inexpensive.
Great experience I can't wait to rent a bike from them again!