66GI is the golden ratio for me in London. So much easier to drop people when the lights change and they're mashing away trying to get up to speed. Much easier to skid control your bike too, or at least I find it that way.
Whack on 70+ as soon as you get out of town though.
This is probs true but if you are poor / lacking space like me and have to use fixed for everything then put on 70+ yes its a little slower off the lights but lower than that if you leave anything but central is so frustrating.
This is probs true but if you are poor / lacking space like me and have to use fixed for everything then put on 70+ yes its a little slower off the lights but lower than that if you leave anything but central is so frustrating.