Originally Posted by dzinehaus

Shimano SL-BS77 double/triple x 9-speed bar end shifters. Friction-compatible right lever
Drivetrain Spacing: Shimano/SRAM 9
FD/Shifter Compatibility: Shimano Road Triple,Mountain Triple,Shimano Road Double
Shifter/Rear Derailleur : Shimano

looks like its a go for the shifter/mtb derailleur, also I have a 11-23 on my bike and I had to shorten the chain... a lot! so I don't think the 9t diff is going to bug you so much in functionality as it would in appearance.. the long cage will just be more taught...