I have Ultegra 6500 double cranks. If I get a compatible V1 109.5mm bottom bracket I think I can still run 10 speed shifters w/ a 10 cassette because the chainline is the same from 9 speed to 10 speed. Is this correct? Also, does anyone know if the swing of a 9 speed Ultegra front derailleur is the same as the swing of a 10 speed derailleur - the only diference is the width of the cage?
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