I'm thinking about swapping out my Ultegra crank and bottom bracket for something lighter and stiffer and the 7800 crank came to mind. However, I'm wondering if this is a viable solution or just wasted money. Shimano's site says:
Will the new cranks (FC-7800) work with my current 9-speed set up?
The new cranks are designed to be used with the new front derailleur (FD-7800) and chain (CN-7800). The pickup pins and ramps of the new crank will work best with these new parts.
Are the current 9-speed front derailleurs compatible with the new Dura-Ace crankset (FC-7800)?
No. Only the new Dura-Ace front derailleur is designed to work with the new Dura-Ace crankset.
However, reading cyclingnews' article (link
) on Chris Horner's bike it mentions he's still using 9 speed dura ace, but with the 7800 cranks. Any ideas on this possible setup?