So I have been riding on fixies for about 3 months now. I am looking to get a bit of a better set up. My main question is just for opinions on a good bike to start with. I am not looking to drop more than hopefully $600. I have seen the Bianchi Pistas, Mercier Kilo, SE Draft, etc. Just wondering maybe some pros and cons and what people like and ride...thanks in advance guys!!