Garmin Tacx Boost TrainerTake your ride inside with Garmin Tacx Boost. You wont need external power to use this trainer, thanks to a forceful magnetic brake that allows you to directly apply resistance or lighten it. Resistance can be controlled with a lever on the handle bar. The setup is easy with just two simple clicks, youre ready to ride. The Boost bundle includes a speed sensor so you can track how far and how fast youre riding indoors and train with your favourite app 1