Spin Bike Exercise BikeFitness Spin Bike Exercise Quiet Flywheel Home Gym Workout Cycling Heavy Duty Steel Frame and Triangle Support Design: Heavy duty steel frame of the exercise bike provides the stability while cycling. It supports up to 100kg 220lbs. With sturdy base and adjustable non slip pedals,the triangle construction also ensures a stable,smooth and silent riding experience during exercise. Different Resistance Levels: The fitness bike speed can be adjusted