For riders that go bigger than all mountain the havoc stem 318mm 0 deg stem like all havoc components is the absolute best option for boosting jumps clearing gaps and rolling stunts the havoc stem is 100 percent cnc machined from a piece of solid aluminium and features top lock technology to optimize strength bar and stem interface by removing stress risers and eliminating rocking caused by floating face plates this mtb stem comes in an array of options too with three lengths 30 50 an