Watch out when shifting from the middle to the small chainring. Triples are notorious
for chainsuck...the chain skips past the inner chainring and rubs up against the frame
in the bottom bracket area. Not really a good thing for the health of your frame.
Maybe the system has been improved since the last time I used a triple, about
5 years back.
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I’m not familiar precisely with exactly what I said, but I stand by what I said whatever it was.