The ProForm 405 SPX bike has an effective inertia of 18 kg, giving you a movement that is as smooth as it is comfortable for an optimal training. It's easy to stay in control with this innovative emergency braking system. Designed for constantly moving cardio sessions, you can quickly start or stop your session at any time. Stay hydrated during your sports sessions by having the possibility to keep your water bottle close at hand! You can move your ProForm bike to any location thanks to the transport wheels it is equipped with, which are located on the front of the device.