Joined: Feb 2005
Posts: 13,560
Likes: 44
From: Milledgeville, Georgia
Bikes: 2018 Black Mountain Cycles MCD,2017 Advocate Cycles Seldom Seen Drop Bar, 2017 Niner Jet 9 Alloy, 2015 Zukas custom road, 2003 KHS Milano Tandem, 1986 Nishiki Cadence rigid MTB, 1980ish Fuji S-12S
Unless you are keen to spend the money to replace the brifters and switch to a whole new system, you can put a Shimano MTB RD (you'll want a 9 speed RD, not one of the new 10 speed ones) on your bike and your choice of SRAM or Shimano 10sp cassettes up to 34 or even 36 teeth.