Elite Zona Smart Trainer Controller BX PSI Ultra compact seat bag is

Ultra compact seat bag is hidden under that saddle with hook and loop fastening strap to carry inner tube and tire levers for a safe and secure ride

The result of over four years of rider feedback

capable of enhancing performance and riding sensations

An ANT+ transmitter integrated into the rear derailleur enables communication between your bike computer and the rear derailleur

Chainring Interface - Sram 8-bolt - supports Transmission chainrings and Sram power meters

Elite Zona Smart Trainer Controller BX PSI Ultra compact seat bag isZona is the new Elite device that gives you total control over your workouts, allowing you to train quickly without the need for an app or software. Zona simplifies setup, speeding up configuration times for the user. Zona can be mounted on any type of handlebar, allowing you to easily and intuitively select your preferred training mode using the controller's buttons. You can choose from four training modes: zone based workouts from Z1 to Z7, based on