For help with taking your measurements, download our step-by-step guide below and then fill in the form on this page. A proper fitting bike is essential to your enjoyment of cycling and should be the starting point in your buying journey. If you purchase your bike through Factor we will work with you to determine the optimum frame size and configuration on your new bike. To help you work out the correct size remotely, please fill out your details in the form below and our team will review and be in touch with a personalised recommendation. Please fill in as much information as possible to enable us to give you the best guidance.