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Best front mechs are the recent side swing jobs. There are some 9, 10 and 11 speed ones. Think the latter two use dyna sys cable pull ratio though.
There will be claris/sora 8 and sora 9 triple front mechs floating around people's parts bin. Most mtb mechs get weird if you put more than 46t under them, but still mostly do the job, just not well. I think there was an LX triple conventional fd that went upto 48t in around 2005 /12 sort of era, no idea on its code though
BrickMan
allsop
I'm cobbling together a flat bar 'touring' bike out of my parts bin and am getting stuck/frustrated/confused with compatability. So, hive mind, what front mech do I need/can get away with? I cannot emphasise enough that cost is a factor here!
I have a 3x9 Altus trigger shifter up front. I also have an old Sora triple crankset (50-something to 32). Obviously I suck at reading the Shimano compatability chart, because I can't work out which 3x9 FD would work.
Minor point, am I likely to easily find a cheap MTB(?) FD that can clear a 50ish tooth big ring?
Thanks!