Here is a magnetic exercise bike designed for seniors who want to stay in a great shape: the Exerpeutic 1000 Magnetic Exercise Bike has 8 levels of manual resistance and offers oversized stabilizers and levelers. The bike has a large window LCD display that shows distance, calories burned, time, speed, and heart rate. It has a max weight capacity of 300 lbs.
The exercise bike does not move a lot or tip over when you are exercising thanks to its leg stabilizers. It sets you back under $270.