https://www.universalcycles.com/shop...s.php?id=49993
They have shifters for drop bar mt bikes, one of many

What brakes will you be using?
bb7 mountain?
Cane Creek Drop V Brake Levers
and
Tektro RL520 Brake Levers
both work for drops and mt brakes

Here is a threadaboutmt drop bar bikes
http://forums.mtbr.com/salsa/salsa-f...467422-58.html