Recent 27+ 700 X 25 Tires
Recent 27+ 700 X 25 Tires. Buy cycle tyres 700x25c and get the best deals at the lowest prices on ebay! My bike originally came with 700x26c tires so i assume i can easily go to either 25 or 28. Above 32c, the tires are good for yes the second number in the 700x_ part does refer to the width of the tire in millimetres, but the aerodynamic reason domenic mcnaughton gave is not right.