What size tires will the Babymaker? October 02, 2020 17:42 Updated The production Babymaker has a 700x28C tire. Tires up to 700x32C should be fine. There may be exceptions for taller tire profiles. It may be possible to fit a 35-wide tire but not recommended. Related articles How do I get replacement parts? How much maintenance does the motor require? Can you remove the wheels if you need to put your bike in a car? How much does the Babymaker weigh? What’s the top speed of the Babymaker?