Age doesn't matter, size does. Do a net seach for "bicycle size fitting" and you'll get plenty of hits.
Some really crude ones based only on total height. some more sophisticated that take body proportions into account.
For a 12-year-old boy, a bike with a wheel size of 24 inches is typically recommended. This size is suitable for most children in this age group, providing a comfortable and safe riding experience.
It all depends on how big he is. If he is small for his age he will need a smaller bike or if he is big a larger one. Best thing to do is ask the attendent at the bike shop.
The recommended bike size for a 12-year-old boy is typically a 24-inch wheel diameter. This size is suitable for most boys in this age group as it provides a comfortable and safe riding experience.
I'm a 14 year old 5 foot 6 inch girl and I use a 26'' bike. For a 5 foot 10 inch boy I would reccomend a 28'' bike, so there's plenty of room to grow into.
The best bike for a 10-year-old boy is one that fits his height and is easy for him to handle. Look for a bike with a frame size that allows him to comfortably reach the pedals and handlebars. Consider a bike with gears for more versatility as he grows. Make sure the bike is sturdy and durable for outdoor adventures.
an 80cc dirt bike all of the BIG 4 make them
it would be 21 to 30 inch best idea
a 85cc
The best bike to buy for a nine year old active boy is a 24in-wheel bike with a 3-speed hub gear.
For a 12-year-old boy, the best size and type of bicycle would typically be a 24-inch wheel size mountain bike or hybrid bike. These bikes are suitable for kids around that age and provide a good balance of comfort and performance for various types of riding. It's important to consider the child's height and inseam measurement to ensure a proper fit.
a bike.
The average shoe size for a 14 year old boy would be size 10.5