Hey there! If your Proform 120R exercise bike has lost its power adapter, this replacement from SupplySource has got you covered. It's specifically designed for the Canadian models 831219110 and 83121911C0, delivering that perfect 9V power your bike needs to keep you working out. What's really nice about this adapter is the built-in safety features - it protects against incorrect voltage, short circuits, and internal overheating, so you can feel confident leaving it plugged in during your workouts. It works with any outlet from 100-240V and 50-60Hz, making it super versatile if you ever move or travel. Just a quick heads up - this is a high-quality aftermarket replacement (not OEM), but it's brand new and built to the same standards. Before ordering, double-check that the DC output and tip size match your bike's requirements. If you plan on using it for extended periods, make sure it has good ventilation and keep it away from fabrics. The team at SupplySource stands behind their products with proper certifications and are super responsive if you have any questions. Seriously, if your Proform bike is sitting idle because of a missing or broken power cord, this adapter will have you back to your fitness routine in no time!