well i have extremely narrow feet and big feet. i wear a size 13. well my road shoes(size 46) fit ok they are still wide on me but i just got some sette mountain bike shoes and they are really wide on me(size 47). i have heard that sidi makes narrow shoes but i can't afford them right now what can i do to help take up some space in my shoe can i put a insert in it like i do other shoes i have or will i run into problems