Racermate One Pro Handlebar Controller w/ Handlebar mounting bracket. Preowned Computrainer Lab Trainer in great condition (see photos)! The item "RacerMate CompuTrainer Lab Indoor Bicycle Trainer with Handlebar Controller+Sensor" is in sale since Friday, March 02, 2018.This item is in the category "Sporting Goods\Cycling\Bicycle Accessories\Trainers & Rollers". The seller is "benscycle" and is located in Milwaukee, Wisconsin. This item can be shipped worldwide.