You sure your rear wheel is going to fit?

Not sure I'd be up for clamping carbon outright or what the tube diameter is, but this is something- http://problemsolversbike.com/produc...shifter_mounts

Or, if you can convince yourself and the entire BF community that drilling a 1/4" hole in your DT is a good idea, these would do- http://www.cycle-frames.com/bicycle-...-AL-FRAME.html I had to repair mine on my basso. I used 60 minute loctite epoxy as well.