Originally Posted by slloth

I have a Wal-Mart Road bike that a co worker gave to me. It has horrible issues with flat tires. I think it has to do with the double wall in the inner wheel. It has drilled holes drilled thought the aluminum so you can access the spokes. I think they left shavings and rough edges in there from the factory. I am going to try to remedy the problem, convert it to a single speed free wheel and sell it on craigslist. I will use the profit to buy upgrades for my current commuter.