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Discussion Starter · #1 ·
I'm building a touring bike with a new 105 triple crankset in front (50/39/30) with matching 105 front der supposedly designed for a 10-speed drive train, and a XT rear der in back with a 9-speed 11-32 cassette, shifting with 9-speed bar-cons. Before I put a chain on, what will shift better - 9-speed or 10-speed chain?
 
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