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What groupset? if 10 speed, you can get Sunrace with 11-40t for instance, so with a 46t mean you get a low gear similar to a 34/28.
edscoble-
SRAM 10-speed, yeah, so 11-40 and MTB derailleur is easy to do. I think what I'd like is something like a 48/32 or 46/30 double for road touring and 44 1× for gravel/commuting/day-rides/whatever. 1× cranksets seem to be only £50 or so on eBay and I already have the bar-ends.
Was hoping someone else might have done and would be able to tell me whether or not it's stupid but oh well
frankenbike
Probably one of my worst ideas to date but has anyone thought about two cranksets, a 1×/double, and swapping them over? I am imagining a set of shifters for 1×, a band on mech and a bar-end front shifter, then to swap over you would:
Seems like It Would Be Easy™ and would be alright for the typical gravel/commuter/touring do-it-all sort of bike that a lot of us have to make do with, where you're okay with (e.g.) 44/11-36 for 95% of your riding, but want a 50/34 + 11-36 or a triple or something for touring.
Obviously you would only swap it rarely. And I'm working off the assumption here that few people go touring on a whim; that is, you'd know well in advance "I'm going touring next week, better spend an hour swapping over my cranks, putting racks on, putting mudguards on, etc.".
You could also pair it up with a 650b wheelset with an 11-42 or whatever; for gravel you have 44/11-42 + 650b, for commuting you have 44/11-36 and 700c, for touring you put on the double with 700c wheels.
It really doesn't take very long to swap cranks over at all.