Here's a solution to the question of "how long should my cables be if I install apes".
This site offers a complete package including wiring and cables for most any bike.
Harley Ape Hangers Motorcycle Handlebars - Hill Country Custom Cycles
This site offers a complete package including wiring and cables for most any bike.
Harley Ape Hangers Motorcycle Handlebars - Hill Country Custom Cycles