Easton havoc 35 direct mount stem the havoc 35 bolt on is the very best gravity stem money can buy in addition to looking like jewellery for your dh bike this stem utilizes eastons new havoc 35 barstem clamp diameter with this stem you can rest assured that there is nothing stronger or stiffer this stem is fully cnc machined from a massive chunk of ea90 aluminum and is tested to forces well beyond industry standards for both impact and fatigue so your frame will explode long before your st