Jetblack S3 – Sport Trainer

The JetBlack S3 Magnetic Indoor Sport Trainer is a simple, reliable indoor trainer designed for fitness riding, structured workouts and year-round training. Featuring a single perfectly tuned resistance level, the S3 delivers a smooth and consistent riding experience without the complexity of multiple resistance settings.

Built with a durable alloy roller and a wide, stable base, the S3 provides a secure platform for everything from recovery rides to high-intensity training sessions. The trainer comes pre-assembled and includes both quick release and thru-axle compatibility, making setup fast and straightforward across a wide range of bikes.

The stable frame design and anti-slip feet help keep the trainer firmly planted during use, while the compact folding design makes storage and transport easy when training is complete.

Whether you’re maintaining fitness through winter, warming up before an event, or fitting training sessions into a busy schedule, the S3 offers a dependable indoor riding solution.