Speed Bikes Only :For Single Speed Bikes Only (Cannot Be Installed On Bikes with Derailleurs) and Supports Riders up to 100 Pounds .
Sturdy and safe: Made of high-quality aluminum alloy, this kids' bike training wheels are strong and durable, and the widened wheelbase provides extra stability and safety
Easy to install and use: Designed for quick and easy installation, this bike training wheels set can be installed on most 12-inch bikes in minutes
Adjustable height: The height of the training wheels can be adjusted to better fit your child's height and ensure a comfortable riding experience
Bright and colorful design: With bright and colorful designs, these kids' bike training wheels are sure to delight your little one and make riding more fun