NEW BARNETT SINGLE THROTTLE CABLE FOR YOUR TRIUMPH 500 T100C. THIS CABLE SHOULD WORK WITH ALL AMAL 626 CONCENTRIC CARBS.SO IF YOUR BIKE IS EARLIER THAT A 67 BUT HAS A 626 IT WILL WORK. THE FREE PLAY IS DIFFERENT WITH SINGLE THROTTLE CABLES AND DUAL. THEY ARE USUALLY NOT INTERCHANGEABLE. BUT IT DOES DEPEND ON THE ACTUAL THROTTLE. WE HAVE CABLES FOR MOST SET UPS EMAIL US IF YOU HAVE QUESTIONS