Bike Wheel Size Years. 26 wheels iso 559 mm 26 wheels have a long history in the bike industry. What started as the standard for american made cruisers almost 100 years ago later became the most popular mountain bike wheel size and remained on top for decades.

The main problem is the size of the bike is not solely determined by the wheel size of the bike. The size of the frame and design of the geometry also matter. Measuring your child s inseam is the best way to find the right bike size.
Here s a quick guide to the main wheel size options and what to look for.
When buying a new children s bike the appropriate bike size plays a very important role. Here s a quick guide to the main wheel size options and what to look for. This is why the same company can have two 20 inches bikes that are designed to fit children of completely different heights. Standard full size wheels.