No, but you will need the special bolt and some kind of spacer if you are running it with a single chairing. I made a spacer by cutting down an old chain ring so that it was just the right thickness. It kept coming loose though so some thread lock would help.
No, but you will need the special bolt and some kind of spacer if you are running it with a single chairing. I made a spacer by cutting down an old chain ring so that it was just the right thickness. It kept coming loose though so some thread lock would help.