Hi,

Not sure what that crankset is in the shimano line (FC-M311 is altus, so fc-m151). Replaced my crank with the FC-M311 last year as the chain was jumping off, no issues ever since. As far as I can tell, Altus is very reliable, and only a few bucks more than the fc-m151. The gearing is kind of high on that crank in your link, what are you using the bike for? Thanks,

Dave