Unless I misunderstand you, apes are tall handlebars.
Other than requiring longer cables and brake line, they have no affect on ABS.
These are my apes:
I as well and coupled with my very tall torso, proper handlebar fit is ALWAYS a problem!
I found these guys that will make a set to your own rise and pullback measurements.
Something to do this winter after the other things planned. 10" BALLISTIC TIP MONKEY BARS CUSTOM HANDLEBARS APE HANGER - CUSTOM HANDLEBARS - FMB chopper parts-motorcycle parts-Custom choppers-Harley parts
BTW - I LOVE the 18" Apes on my V2K cruiser. Have elected not to do apes on the R3R because it handles so much better, I wish not to deprecate handling.
There are some who have Aped their Rockets around here . . .