Aluminum Wheel Unicycle Cycling Scooter Circus Bike Single-Wheel Bicycle Adult Children Single-Wheel Racing Bicycle

16" FIT FOR PERSON 120-155CM

18" FIT FOR PERSON 140-165CM

20" FIT FOR PERSON 160-175CM

24" FIT FOR PERSON 170-190CM

16?????:38*18*55 ??/??:4.5/5.2KG
18?????:43*18*59 ??/??:5/5.5KG
20?????:48*18*63 ??/??:5.5/6.2KG
24?????:58*18*71 ??/??:5.9/6.8KG