Super light aluminum integrated stem improves aero performance and aesthetics with wind tunnel inspired design and internal cable routing. FEATURES : Proprietary stealth recessed cable routing system enhances aerodynamic performance Oversize box-section increases torsional stiffness with tuned vertical compliance SPECS : Material : Lightweight 3D forged 2014 aluminum alloy Lengths : 80, 90, 100, 110, 120mm Clamp : Only compatible with Giant Propel AeroSystem bars Weight : 249g (110mm)