Generally, if your bicycle handlebar’s length is 25.44mm or 26mm you can maintain a 18 to 30 inches close distance.
Hanging a bike upside down is neither bad nor good for it. Though, this depends on the type of bike you’re running.
Yes! 7 speeds is enough for a bike because it has a functionable system, which allows easy pedaling from the lower gear while the higher gear allows smooth movement on any terrains.
A 5 year old kid can’t ride a 20-inch bike because it’s an oversized bike and the legs will not gain clearance on the ground.
When you're looking to find the perfect bike for riding in style and comfort, then you should consider a tandem bike. It offers comfort, and speed.
Tandem bikes are faster than other types of mountain bikes. They're designed to be convenient for multiple riders, and they're also affordable than cruise bikes.