I've never seen an Aft Controls Kit. That being said I don't think its impossible. The linkage rods could be shortened and re-threaded they are about 4" long. The hardest part would be the fabricating a footpeg mount. The Fwd mounts can be made of straight bar stock because there are no clearance problems for the new bolts that hold the pegs. The new part would have to have a mount platform to mimic the old mount then zig out and zag back to allow clearance for the new mount position bolt heads.
2005 1100 Custom
ORKed 5/16" Lines
PODs K&N RU-600s W/PCV
PCS XXX/2 cams
Jetted & PMS Tweaked 20.0/152.5 3.0 turns
Wimmer Machine Custom Oil Cooler & Stash Tube
Dyna 3000 Step 5/ 6500 redline
6" Fwd Control Extension W/Boards F&R
Memphis Shades Bullet Fairing
Progressive 465 rear
Progressive Springs and GVE front
10,000 Monkeys throwing crap at the glass and this one thinks he's Picasso...