Material: High Quality Steel;
Pipe Size: Main Pipe: 89mm&3mm;
Limit Support Beams: 76mm&5mm;
Sit and Pedal Pipe:76mm&5mm; Seat and Back Support Pipe: 76mm&3mm
Seat and Back Plate: 4mm thickness steel plate pressing.
Function: Exercise ham muscle, increase the waist strength.
Usage: Sitting on the equipment and trying best to pedal the pedals outward, then keeping exercising repeatedly. Only two persons admit each time.