I put Rox 1.5" displacement up/back, and needed no cable modification. I then removed them as it set the bars in a bad position for standing. Great for sitting, but excessively back for good control while on the pegs, but that is my body.
GL1800A, KLR 650, ATAS, 1972 CT2 Cessna Skylane
Fly low, fly high, but fly!