1,Flywheel weight:4kgs 2,8 Level Tenson Control Knob 3,Different ... DescriptionItem NO.: GB-1288Name: Magnetic Bike Resistance:MagneticPacking: brown box Flywheel weight:4kgsTension controller: 8-levelComputer function:Time, Speed, Distance, Calories ... Control Knob 3) HDR Handlebar Foam Grip 4) Two way Flywheel,4kg Inside magnetic 5) Fixed handlebar 6) Saddle vertical adjustment ...