I have a Shimano M442 22/32/44T crank, (175mm, Octalink) on my Gary Fisher Piranha. I recently purchased a BBG 32T bashguard, but now I'm worried I'm going to have to upgrade down the line to maybe a 36T chainring and equivalent BBG bashguard.
I've maybe used the 44T chainring a few times on pavement so I'm not too sad to see it go, but is my M442 crank capable of accepting a Shimano 36T chainring? Which model should I be looking for?
I've found a Shimano M443 crank that runs 48/36/26T chainrings, so can I just buy that middle chainring and swap over to mine? According to Shimano's tech doc, it's not interchangeable unfortunately (http://techdocs.shimano.com/media/te...9830647958.pdf)
Also if I'm able to do this, would I need to upgrade my current rear cassette (9-speed, 11 - 32 teeth) as well for it to work with the 36/22T up front?
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