INSTALLATION NOTES: 1.Insert bolt through the wheel, washer and training wheel arm. 2.Attach and tighten washer and nut, you will require two wrenches to tighten this propeily. 3.Remove rear axle nut from the bicycle wheel axle. 4.Insert axle though locking brace and fix the raised point to the bicycle frame ends . 5.Determine desired height of training wheels when attached the training wheels should have about 0.5-1cm (1/5 to 3/5in) space from the ground. 6.Tighten axle nut with adjustable wrench . 7.Repeat for another suide. Specification: ✓ Material: Steel + Plastics + Rubber ✓Color: Blue ,Black, Red,White, Purple, Rose ✓Size: Wheel: 4.54 inch*4.54 inch*0.98 inch /11.5cm *11.5cm*2.5cm ✓Fit: 12-20 inch Bicycles

You need to buy an extension screw to install it on huffy. Note: please use under adult supervision. This is an auxiliary wheel that can shine. When the wheel touches the ground, it will flash. I hope you like it. ?These bicycle training wheels are made of high quality plastic and rubber which it is anti-slip, wear resistant, providing stability and help to ride a bike without fear. Light weight and noiseless. ?Wheels diameter:4.54 inch. Universal training wheels fits for 12/14/16/18/20 inch bicycles. Tips: For Single Speed Bikes Only (Cannot Be Installed On Bikes with Derailleurs) and Supports Riders up to 100 Pounds .

Rim Width: 2 Centimeters. Vehicle Service Type: Bicycle. Item Weight: 30 Grams. Rim Size: 20 Inches. Material: Polyurethane. Wheel Size: 4.54 Inches. Brand: YTKD. Size: 12 20 inch, 1 pack. Date First Available: March 1, 2022. Best Sellers Rank: #11,201 in Sports & Outdoors. Customer Reviews: 4.0 out of 5 stars 140 ratings 4.0 out of 5 stars. : B09TNRZV94. Bolt Pattern (Number of Holes): ?2. Rim Width: ?2 Centimeters. Rim Diameter: ?20 Inches. Manufacturer Part Number: ?p-98. Package Dimensions: ?10.12 x 6.61 x 2.6 inches. Item Weight: ?1.06 ounces. Model: ?QF-342. Brand: ?YTKD.