Penitue 2pcs Axle Extenders & 2pcs Stabiliser Extension Bolts for Training Wheels, Kids Bike Axle Extender for 12/16/18/20/22/24in Wheel Bikes (Silver)

["Package Content: You will receive 2 axle extenders for training wheels and 2 stabiliser extension bolts. Designed to solve the common problem of short rear axles. Perfect for installing training wheels on kids' bikes.","Premium Material: Made of quality carbon steel, sturdy, durable, and reliable for long-term use. It provides better support for training wheels, ensuring stable and safe riding.","Special Design: Specifically designed to extend the rear axle length of kids' bikes. It creates space for training wheel installation, allowing you to add stabilisers to bikes. Please confirm the compatibility before you purchase.","Easy to Install: Simple installation with basic household tools. If the original screws on the bicycle are sufficiently long, the auxiliary wheel bracket can be installed directly without requiring longer screws.","Fit For: These axle extenders and stabiliser extension bolts are designed to fit bicycles with 12\", 16\", 18\", 20\", 22\", and 24\" wheel sizes, and are compatible with bikes that have derailleurs, making them versatile for a range of bike models."]