See above for your current solutionsAir, on the street? I don't ever want to find out my air tank is empty.
Electric shift is the way to go for the street and track.for me.
There are a few good setups out there.
http://www.pingelonline.com/prodcat/electric-speed-shifters.asp
http://www.disabledmotorcyclerider.com/shifters.html eye