In addition your riding style can influence your choice;Conversion tables for common bicycle tire sizes Nowadays, bike tires are typically marked according to ISO standard (), a system originally developed by ETRTO (European Tire and Rim Technical Organization), but older English and French tire size dimensions are still used as wellUse the data from the following tables to determine interchangeability and convert between ISO /1 cm 80 cm cm 2 Bicycle type Recommended frame size 46 cm (corresponds to 18 inch) If the value falls in between two sizes, the following general rules apply If you want quick and sporty, choose the smaller frame size If you want comfortable and smooth, choose the larger frame size
Bike Frame Size Chart Thrillspire