I'm having a right old ding-dong with sorting the gearing out on one of my bikes, can anyone tell me the correct bottom bracket length to use with Topline cranks please? Thank you.
My current axle is a 126 so that's fine (despite the crank arm ends being super-close to the chainstays) I'm having issues with granny-ring chainsuck so thought I'd space the crank further outboard for a better chain line. The rings are Shimano m900 SG-X ones. Could be a wrong-width granny ring spacer issue..... so, can anyone tell me the correct width for the granny spacers please?