Throttle Potentiometer for the EV Rider Transport AF (S19AF) (HW-72061010) ActiveCare Medical Intrepid they used this same rear

they used this same rear tire assembly on their Spitfire EX (S1320 and S1420) scooters

you start with the chassis

Drive Medical: STDS2A5331

as well as many motorcycles and dirt bikes

the tiller face

Throttle Potentiometer for the EV Rider Transport AF (S19AF) (HW-72061010) ActiveCare Medical Intrepid they used this same rearThe throttle potentiometer for the EV Rider Transport AF (S19AF) often has its name truncated simply to throttle pot. By whatever name you choose to call it, this vital scooter part controls the forward and reverse functions. If your scooter's potentiometer is worn out or malfunctioning, a replacement throttle potentiometer for the EV Rider Transport AF just may be the cure. Faulty throttle potentiometers can lead to "jerky" motion while throttling,