Originally Posted by
JohnDThompson
Going from a standard triple to a compact double would mean more than a simple crank swap. The BB would have to be changed as well (shorter spindle), the chain length adjusted, front derailleur lowered, and the derailleurs adjusted.
This I know, JDT, as I've done it more than a dozen times myself; I'm making a point about throwing down $2K for a bike, then haggling about $20-30 worth of 'custom' work.
Don't read more than I write, OK?