Originally Posted by dynaryder

Yes,just swap the entire drivetrain. You'll need a new crankset,and possibly a new BB to go with it. You'll need new shifters,a new chain,a new cassette,and probably a new rear derailleur. It's also possible you may need a new rear wheel,or at least a new hub,depending on what you have now(do you have 130 or 135mm rear spacing?). It won't be cheap,but it's doable. Note,with the advent of 11spd,10spd components are coming down in price,you can save alot of money by going 10spd,especially if you go with NOS.