There are plenty of decent upright bikes available on the market capable of giving you a good workout. The Innova Fitness Upright Bike happens to be an affordable exercise bike that has its own tablet holder. That means you will be able to push your body hard and stay entertained.
The exercise bike has a 8-level adjustable magnetic resistance and heart rate monitoring with hand pulse function. The tablet holder supports iPad, Kindle, and other top brands. You can get yours for under $120.