The RB2 is oupled with a Belt Drivetrain, Magnetic Flywheels offer a much more smooth and consistent resistance level than standard friction based systems. General Tension: 1 to 8 Levels of Resistance Magnetic Resistance Flywheel: Heavy Duty Cast Iron Magnetic Flywheel Drive Train: Belt Drive-train Seat: Comfort design Shows: Time, Speed, Scan, Distance, Calories, Pulse, Odometer Pedals: Standard Pedals with Foot Strap Crank: 3-Piece Steel Crank Features Pulse sensors Transportation wheels Back support Belt Drive-train Technical Assembly Required: This product comes partially assembled in a box with assembly instructions included. Frame: Tubular Steel Occupancy Size: 130cm x 62cm x 107cm (L x W x H) Seat Size: 25cm x 37cm (L x W) Seat Height: 52.5cm Maximum User Weight: 200kg Seat to Pedals (Min/Max): 62cm/76cm Net Weight: 31kg Warranty: 12 Months Parts replacement warranty