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12" kids balance bike. Hot pink -- paint in great shape. Lightweight. Two seats/posts -- one short, one longer to handle smaller and larger kid, or accommodate growth. V-brake for back wheel. Rear...

I've heard good things about these:

https://www.huntbikewheels.com/collections/road-disc-wheels/products/4season-gravel-disc-road-cx-wheelset-1589g-24deep-24wide

With the lower exchange rates,...

I went through the same thing with my now four year old. I found this page helpful in a number of ways:

www.twowheelingtots.com

At the end of the day, I took him to the shop, let him try some...