Early in 2010, I bought a new Roadmaster bicycle from Wal=Mart. This was a 26 inch Chinese made mountain bike (bicycle). I had a number of problems with the bike from the start. The brakes did not work and had to be worked on. In only two months, the brake pads were worn out -- something I had never since before. I have riding bikes -- on and off -- since learning during the presidency of Dwight David Eisenhower. I took the foot pedals off to see if I could swap with pedals that had two straps. Standard 26 inch...