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Join Date: Aug 2010
Location: Madison, WI
Posts: 11,212
Bikes: 1961 Ideor, 1966 Perfekt 3 Speed AB Hub, 1994 Bridgestone MB-6, 2006 Airnimal Joey, 2009 Thorn Sherpa, 2013 Thorn Nomad MkII, 2015 VO Pass Hunter, 2017 Lynskey Backroad, 2017 Raleigh Gran Prix, 1980s Bianchi Mixte on a trainer. Others are now gone.
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A friend of mine bought a new trike a year ago, I was surprised it came with a triple, crank is a FSA brand, I do not know the model. His is a road triple.
Your Campy cranks if they were the older square taper would have been road triples (52/42/30). But you desire low gears. Does that mean you want a mountain crank instead of a road crank? Or do you want a lower cost road triple?
If you buy a square taper crank, note that Campy uses an ISO square taper, other brands use JIS. Meaning you should not mix your Campy square taper bottom brackets with a non-Campy crank.
If you do not see what you like out there, do not rule out a low budget Vuelta from Amazon. I am using Vuelta crankarms from a square taper compact double on my Rohloff bike, they work just fine.
For non-Campy square taper cranks, I am very happy with Shimano UN-55 bottom brackets. You would need a Shimano type bottom bracket tool, your Campy bottom bracket tools won't work.