Shimano Crank Compatibility Q: 9sp DA --> 10sp DA
Upgrading a bike from 9 speed Dura-Ace to 10 speed Dura-Ace. Does the crankset w/chainrings need to be replaced? I know Shimano will probably tell you you need to replace the crankset, but I'm not buying anything extra unless I need to. So, anybody tried using a DA 9 speed crank on a 10 speed STI set-up?