The act of the gearbox itself being sandwiched between the hub and the forks keeps it in place once your axle is all tightened down. The gearbox goes in place of the spacer on the right side of the axle. You can rotate the gearbox to best position it by loosening the axle and just moving it around where it lets the cable exit the best. The "loop" goes over the lower leg above where the cable exits the gearbox. You may or may not have to move it up or down to keep the cable from contacting the wheel and/ or tire, so there is a little leeway in where exactly it should be. The mount doesn't really tilt to one side or the other.
Nicholson 500x (Project)
Nicholson 185s
Nicholson 110 (That takes an atc70 tank)
Ascott 500 head/350x (Project)
Homebuilt Racer Chromoly Suspension 110 (Ragin Runt)
PK Racing Suspension 70
A+ Inc Suspension 70
AWS Aluminum 90 frame
Hi Performance ATC Suspension frame rd350
Hi Performance ATC Suspension frame 90