Lifespan Fitness SP-460 M2 Spin BikeCome flying off the mark with the Lifespan Fitness SP 460 Spin Bike. Our TrueSpin Precision flywheels are balance tested to guarantee riders the smoothest and most stable experience. With an 18kg flywheel, the SP 460 carries significant momentum and provides a more consistent cadence. Find unlimited resistance at the turn of a dial to simulate the steepest climbs and fastest sprints. [[bottom_description]] Commercial Grade Cast Iron 18kg Flywheel