Probably quite a simple question but I have a sugine impel chainset where one of the 5 bolts os behind the crank arm. How do you tighten this bolt as I can't get the shimano tool in between the bolt and the arm to stop it spinning while I tighten the allen bolt side. I got it as tight as I could but it came loose during last nights ride so it obviously wasn't tight enough.
Help please !
Help please !