MOSHAY Roll Over Image to Zoom in Bicycle Training Wheels Fits 16 18 20 22 24 inch Kids Variable Bike (black)

PACKAGER INFORMATION: 2 training wheels, 2 sleeves, 2 wheel bolt, 2 screws, 2 extend bolt, 4 Flat Washers.Please note that there's only ONE extend bolt, installing on the side of Variable Speed wheel.. Wheel Diameter: Approx 13.5cm / 5 1/3""inch,and the Metal Support Bracket Thickness is 3.5 mm,for Extra Stability and Safety. This Set of Heavy Duty Rear Wheel Stabilizers Assists Young Learners to Ride Bicycle until They Have Developed a Usable Sense of Balance on the Bicycle. Suitable for Bicycles of 16-24 Inches（EXCEPT HUFFY Brand Bike）,Comes with Fittings, Easy to Assemble,The Support Brackets are Individually Adjustable.. This product can be used on single-speed or variable-speed bicycles and Supports Riders up to 100 Pounds