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Hey folks,
A bit of a bike newbie here but I just wanted to ask for advice and help,
I've been trying to install a miche primato advanced crankset into my cinelli gazzetta frame. First, I used a Shimano un55 68x107 spindle bb similar to the stock bb that was previously installed in the bike (that was paired with a 130bcd crankarms and 46t chainring). But when I tried to put my new crankset in, the back of the crankarms was hitting the chainstay. So I thought that maybe the spindle length wasnt long enough and therefore, again tried with another bb but with a 110mm spindle. And yet again the crankarms is hitting the chainstay. Does this mean I just need to try with a longer spindle again? And what would this mean with my chainline?
Has anyone had a similar problem fitting in a miche primato crankset into a cinelli gazzetta before and can help?
Thanks all in advance.
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Hi,
So this is it with the shimano un55 bb 68x110. With the 68x107 bb the spider arm seems to be hitting more. but with investigating further it seems like its just 1 of the spider arm that consistently seems to be hitting the chainstay. I took out one of the chainring bolts and voila, it no longer hits the chainstay. It is still really a tight clearance though. And weird how it only happens with 1 of the spiders and not the rest, an uneven crankarm maybe?