YL Trd Adjustable Bike Training Wheels Bicycle Stabilizers Mounted Kit for 18-20 inch Multi-Geared Bike

Perfect for a gear bike! Strong and easy to install.

This worked really well for my son's mountain bike. It stayed in place during his ride, and it helped develo his balance. Highly recommend.

The training wheels fit onto a bike for the 6-9yo age group well. Many training wheels will only fit onto younger children's bikes. The nut which allows you to adjust the height of the training wheels is in a tight place and is a bit tricky to access. In the end I did it with some needle nose pliers - it was too tight for a wrench. But this is a minor quibble.

Don’t buy at all the screw does not even fit the the extender it’s a standard bike and it’s now warped my bike is now without a but to return it back to a two wheel because the extender warped after own time putting it on my bike is now screwed I’m out 150.00 this was the worst purchase and I measured everything correctly and spot on for flimsy materials… never been so disappointed in a product my kids were so excited and now we can’t even use it because the extender won’t let the nut fully screw on

Bought for my 7yr old grandson's "big bike". Easy to install, sturdy, and good enough. Probably won't use them long enough to evaluate how well they hold up. However, for now, they serve their purpose well.

These worked great for my daughter's Trek MT 220 with 16" wheels. They are adjustable and can probably fit a 20" wheel bike - not sure if they would be able to fit anything larger. My daughter had no interest in learning to ride a bike until she had outgrown traditional, smaller bikes. With theses, she was riding her bike without training wheels after just a couple days. Well worth the purchase.

These training wheels are the strongest and most stable I've ever bought for my children's bikes! The thickness of the metal is appropriate to avoid bending and the anti-rotation supports are the smartest thing seen so far. All the other wheels bought up to now rotated even if the screws were well tightened. It is also possible to adjust the height of the wheels easily. I also love the choice of providing the self locking nuts. Great manufacturer! highly recommended product.

stronger brackets, but had to modify to get it to fit. Not sure there is a ONE SIZE FITS all, but I chose these for the look of the strength of the bracket. I ended up using to Hose Clamps to attach the supports to the frame.