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 size of a child's bike ranges from a 12 inch wheel size for ages 2-5 to a 24 inch wheel size for youth ages. Usually a child with a height of 28-38 inches will need a 12 inch wheel size while a child that is 48-60 inches tall will need a wheel size of 20-24 inches.
See related links
A 20 inch tire.
12
The in-seam size which corresponds to that of a 16 inch bike for a child is 30 inches. When purchasing a bike, you must ensure you measure yourself correctly to ensure the most comfortable ride for you.
Typically the size of a chain on an adult bike should be one 16th of an inch or less. It is recommended to replace the chain on your bike if it exceeds one 16th of an inch.
Please - , first define your size ! -You have given a decimal figure, but of what, - -an inch, a foot, an orange,a candy bar ? ?If it is 0.393700 of an inch, then I would use a 3/8 or 10mm wrench.
MAYBE - , frame size has nothing to do with tire size. Style does, and if its a mountain bike, it will not work with a 27 (road racing) wheel and tire. Brakes will not fit.
It is one twelfth of a foot, precisely the same size as the smallest inch.
Depends what size you are im 5 feet 10 and i ride a 20 inch bmx bike
If he needs a regular bike, I would get him a full size 26 inch bike. He is at the point where he is about to start his adolescent growth spurt.
Depends more on what type of gears that you have than it does on the size of the wheels. If the gear levers are the same type as on a bigger bike the 24 inch bike will shift just the same way.