Originally Posted by
CACycling
You'll need a wheel that will handle a 10 speed cassette and have room between the dropouts to fit it in place. You'll need a 10 speed crankset, RD and chain as well.
i never understood why this should be necessary. I ride a 10-speed setup with a 7-speed compatible crank and chainwheels (Suntour Superbe Pro) without any problems. Chain is a Connex 1009.