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10-20-11, 09:24 PM
I have a complete Ultegra 6700 set on a Gunnar Roadie. The crank is a compact 50X34. I would like to change the crank from the Ultegra to a Dura Ace 7900. I plan to also use a Dura Ace 7900 FD. Will the Ultegra shifters be compatible with the 7900 crank?