Easton havoc stemfor riders that go bigger than all mountain the havoc stem like all havoc wheels and components is the absolute best option for boosting jumps clearing gaps and rolling stunts the havoc stem is 100 percent cnc machined from a chunk of solid aluminium and features top lock technology to optimize strength barstem interface by removing stress risers and eliminating rocking caused by floating face plates features finish black ano degree rise 0 degree clamp diameter 31 8mmma