Licensed Bike Geek
Join Date: Oct 2002
Location: Los Barriles, Baja Sur, Mexico
Posts: 1,360
Bikes: Look 585, Kirk Terraplane, Serotta Ottrott, Spectrum Super Custom, Hampsten Carbon Leger Tournesol
Mentioned: 4 Post(s)
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IMO, proper care and feeding (lube etc.) of the chain will have more to do with extending the life of the chain than using a triple. In actual fact, but of little consequence, a double will have a better chain line than a triple, less angle of departure from the chainring across the cogset.
All that said, 10 speed stuff is horribly expensive with little gained.