Our local friends recommended this place for its location and price while I was visiting with a friend. My friend and I rented hybrid bikes for a very reasonable price. If you reserve the bikes online or call, you save some money. The staff member adjusted the seats for us and let us try them out before taking off. (If you check in to the store through facebook or foursquare, you get a free bottle of water). The rental includes a helmet, bike lock, and there is a pouch at the front of the bike with a map attached (great spot to put a purse, wallet, snacks or water bottle).
We rode across the Golden Gate bridge to Sausalito (beautiful place and great for an ice cream treat) and came back on the ferry. Unfortunately, we got very lost. What was supposed to be a 15 minute ride back turned into an hour and a half. To make matters worse, our phones died on the way back. We finally arrived to the shop an hour after it closed. The staff member stayed late and was extremely kind and only charged us a small fee. We offered to buy him a drink or something but he declined. His kindness was a great way to turn around our frustrating ride back to the shop.
I would highly recommend this place due to its great price and kind and understanding staff. If you make it there, say hi to Lola (the adorable dog we saw napping in the shop). Enjoy!