I've been looking around for some info and struggled to find anything definitive. I know by standard rear IS mounts are 20mm more than front mounts, so 160mm rear calliper becomes a 180mm on the front.
With hope brakes you just buy the calliper number that you need and stick it on the front or rear. The problem with M755s is it seem the front and rear callipers have a slightly different design as seen in the technical drawings here http://www.fa-technik.adfc.de/Herste...himano/BR.html
So my question is is it still ok to run the rear calliper up front and would it actually be 180 or does it stay as 160 due to the different design ?
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