Training wheels are additional wheels mounted on the rear wheel to maintain the balance of the bike. It is a good helper for bicycle beginners to reduce their fear and gradually learn to keep the bike in balance. How to install bike training wheels? Step 1: Connecting the training wheel and support bar together. First assemble the bolt, wheel, gasket, bracket arm and nut in order and then fix them by wrench. Step 2: Unscrew the bicycle rear axle nut, then fix the stop block, fasten the pointed horn of stop block on the bike frame. Step 3: According the size of bike or wheel, choose the proper hole location on the support bar. Fix them with nut by slightly press strength. Step 4: Using the same way to install the training wheel of the other side. Note: Check that these training wheels are properly tightened before each use. Specification: -Material: Steel & Rubber -Color: Black -Size: Wheel: 4.33 inch*4.33 inch*0.98 inch /11cm *11cm*2.5cm Bracket Arms: 10 inch*1.1 inch / 25.4cm*2.8cm -Fit: 12/ 14/ 16/ 18/ 20 inch Bicycles, not for variable speed bicycle Package Includes: 2 Wheels 2 Bracket Arms 2 Shoulder Bolts 2 Locking Nuts 2 Stop Block 2 Gasket 1 Installation instructions

Comes with mounting parts and instructions, these heavy duty rear training wheels individually adjustable & easy to install. Please feel free to contact us with any questions. Suitable for Most Single Speed Bikes of 12 14 16 18 20 Inches with horizontal rearward-facing track fork end, please check if these training wheels are compatible with your bike. A Great Helper: These stabilizers designed for road practices, help beginners gradually learn how to balance on a bicycle. More Secure & Stable: The 3mm thickened and reinforced high-quality steel bracket arms will be more security and stability for bike beginner. Material: Steel Bracket & Rubber Wheels.

Vehicle Service Type: Bicycle. Item Diameter: 10 Inches. Rim Size: 20 Inches. Material: Rubber,Steel. Brand: ZOSEN. Date First Available: June 4, 2019. Best Sellers Rank: #109,370 in Sports & Outdoors. Customer Reviews: 3.5 out of 5 stars 496 ratings 3.5 out of 5 stars. : B083QB7C2T. Part Number: ?001. Manufacturer: ?ZOSEN. Material: ?Rubber,Steel. Color: ?Black. Brand Name: ?ZOSEN. Package Weight: ?0.75 Kilograms. Item Package Dimensions L x W x H: ?10.94 x 9.37 x 2.4 inches.