Ride around the world with expert trainers on NordicTrack’s Commercial S15i studio cycle. With an iFIT subscription, your bike can deliver workouts that are personalized to you, no matter where you are in your fitness journey. Enjoy thousands of iFIT's expert-led, outdoor workouts in beautiful road and trail locations around the world. As you follow iFIT Trainers, SmartAdjust™ will automatically change your 24 digital resistance levels based on your workout history and performance. Ride comfortably and embrace longer workout rides with an ergonomic padded saddle.