Originally Posted by verktyg

Tom, I completely agree. The stem is about +2" too high. It should be inserted at least 75mm or 3".

The stem should be removed and inspected. Also the fork should be inspected too to make sure that the threads are not cracked.

Cracks at the top expander splits in cast aluminum stems. These problems become worse when the stems are not inserted deep enough into the steerer:



Cracks in the threads of steerers from the stem being expanded in that area. The steers can easily break off:



I've had several of those cheap cast aluminum "death stems" break off while riding. Both times I was lucky and I safely stopped the bikes (once on mine and once on a customers bike I was road testing). Had a steerer break off too on another bike. No fun...

verktyg

Chas.