Originally Posted by
cubewheels
MTBs have longer reach than road frames. If you're holding the bar extensions most of the time, you can probably go for shorter stem.
The stock stem was 90. I needed something with a higher rise and longer. Unless the stem is +9 or 10°long, i would need to go for 100mm.
If I had a higher stack or longer steer tube and was able to mount the stem higher, 90mm, -7° rise just like stock would likely work fine.
I only use the bars sometimes because the neutral position is more comfortable for my arms. The current handlebar position feels perfect.
Road bikes and mountain bikes don't actually have much different effective reach figures when factoring in the added length of the drop bars.