
Originally Posted by
legion
First of all, well done for losing so much weight!
As for a bike, I can't tell you models or brands, as I don't know what stuff costs in the US, but I can recommend a type.
If you can find a 29're single speed mountain bike, that would be perfect. The frame and wheels will be more solid to take your weight. The knobby tyres can come off, and 700c road tires will fit on 29're wheels.
Get a ridged frame and forks. It will keep the cost down, and you don't need suspension for city commuting.
The gearing on single speed mountain bikes is low. This means you will find it easier to get up hills, but just as importantly, your legs will be spinning much faster on the flats. This will have a more aerobic effect and keep your heart rate up, just like a spin bike at the gym. You won't be able to go as fast, but the weight loss benefits will be increased.
Get your bike just after the new models for the year have been released, but get the previous years model when they are on sale. You will be amazed by how much mark up is on bikes, and how much you can save buying last years model when they want to run them out. It might still cost you more than $250 for something quality, but you should get it for under $500.
Here is my GT 29're (which I have modified a bit.)
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