Rather it s just a decent way to determine.
Fat bike standover height.
You will want at least one inch for a road bike and two inches for a mountain bike.
This is why mountain bike manufacturers use small medium large sizing and give their own size recommendations based roughly on your height.
The standover height is measured from the top of the top tube to the ground and use the same measuring conventions used for road bikes and mountain bikes.
Measure the height from the ground to your crotch.
Lower than the fatboy at 820mm and the kona wo at 755mm.
I don t know about lowest but the rm blizzard is pretty good with a sh of 740mm on a large frame.
Mountain bike city bike or road bike.
Bike fit frame geometry and standover height posted on february 22 2017 when you re buying a good bike you want it to fit like a good pair of shoes a natural extension of you so you can focus on what you re doing and enjoying not the equipment that got you there.
The bike s actual standover height is the the middle of the top tube.
Take off your shoes and stand with your legs about 15 20 cm 6 8 apart.
Standover height can be a bit tricky to calculate depending on the shape of the frame.
This is one of the most critical dimensions of a bike frame that you need to take into consideration when looking for the right bike size.
They should be able to sit comfortably see around them easily and grip the handlebars with a slight bend in their elbows.
As with adult bikes first check the standover height.
You can have two bikes with the same frame size but differing stand over height.
You can read about the different bike types from here.
If you need to convert your measurements to inches divide them by 2 54.
Here s how to measure.
While using your height as a guide is one of the easier ways to get an idea of your frame size it won t give you a perfect fit.
Most kids bikes are designed so they ride in a more upright position.
Most mountain bikes focus on an extremely low standover height so the traditional method of standing over the bike flat footed doesn t really work either.
If your inseam measurement clears the frame s standover by a bit say at least 2 3cm for a road bike and a bit more for a mountain bike then you should be ok.
Whatever the top tube style look for about 2 4 of clearance.
Be sure of the type of bicycle you want.
There you ve got a frame that should fit pretty close.