Stem length will vary with the design of the bike.
Mountain bike stem length and handling.
You can find that article here.
Mountain bike stems are available in a wide range of lengths with different rises and they are secured to.
I m a firm believer in the merits of a 50mm stems on any bike.
Road riders like to choose stem length depends on overall bike fit and position for off road riders.
For mountain bike riders bike stem length effects fit but also plays a significant role in how a bike handles.
The reach of your bike is governed by the top tube length saddle rail position and stem length angle.
As the bikes get more aggressive the fit and handling characteristics become more important than a more efficient pedaling position.
For today s modern trail bikes and big mountain capable enduro machines most of the stems you will find are 50 70mm in length and will use either a 0 or 6 rise.
Stem length is extremely significant when mountain biking.
It must also address the rider s comfort biomechanics performance needs and the steering and handling of the bike.
A mountain bike stem forms a bridge between the steerer and the handlebars.
Shorter stems allow for quicker handling and are preferred by many downhill riders whereas cross country riders enjoy longer stems for their superior climbing performance.
However stem length plays a large role in how a bike actually handles.
When it comes to mountain bikes there are many components that split opinion and stem length is definitely one of them.
Moreover the length of the stalk is critical at the time of fixing how the bike handles.
Shorter stems roughly 60mm or less will deliver quicker and more responsive handling which is why they re the preferred choice for slacker trail and enduro bikes.
Like handlebar width stem length plays a key factor in the bike s handling.
Threadless stems are the most common stem type found on most bikes nowadays.
A longer toptube and the resulting wheelbase usually equates to a more stable handling bike anyway.
Each stem has a rear clamping end that connects it to the steerer tube of the fork.
Because this is such an important topic i wrote an entire article on the specifics of stem length and how it affects handling.