mtb/road component compatibility for cyclocross
I have a cx bike currently built up with road hubs and 2010 Ultegra. I want to start running a 10 speed XT cassette for more gearing range (I already have an XT rear DR in my parts bin). My question is somewhat twofold. The first is if an XT 10 sp cassette will fit on a road freewheel, the second is whether the cog spacing is compatible with an Ultegra road shifter.
The frame is a cross check, and I have several XT hubs that I could perhaps lace to a road or a 29er rim if the XT cassette won't run on a road freewheel.
Any input is appreciated.