What happens if I get a puncture? Heather S. October 02, 2020 17:42 Updated Changing a flat on a Babymaker is exactly the same as on a standard bike. The rear tire can be changed while the motor is still plugged in. Related articles Can you remove the wheels if you need to put your bike in a car? What size tires will the Babymaker? What’s the top speed of the Babymaker? How do I get replacement parts? Will the charger work with 120V and 220V outlets around the world?