Hi sorry if this is a bit of a newbie question but i thought someone on here may be able to help me with this i have recently been given this cycle computer for my birthday Clicky and either it came with no instructions or i have lost them. I have managed to set it all up apart from inputting the wheel size i cant seem to find the option on it do any of you have this computer or know how to do it please?? many thanks in advance.. oh my first propper post aswell go easy on me 
