Enve Aero Stem An aerodynamically honed stem with adjustable length and angle to optimize your position. This stem was developed with Team Dimension Data for the refined ride response and control needed in a critical area of the bike. This stem is intended for negative drop only and cannot be flipped for a positive rise. Who’s It ForRacers, triathletes, and performance-focused riders looking to optimize their position and improve overall aerodynamics, while maintaining the stiffness and comfort needed for speed. Features:Material CarbonLength 90, 100, 110, 120, 130, 140mm (+/-2.5mm with -12° shim)Weight 165, 170, 175, 180, 185, 190 gramsRise -12° fixed, -17°/-7° with angle shimClamp Diameter 31.8 mmSteer Tube Clamp Diameter 1 1/8"Faceplate Material AluminumHardware Material TitaniumStack Height 42.5mm with length shim / 45.5mm with angle shimTorque Spec: Face Plate Upper Bolt: 10Nm, Lower Bolt: 6NmTorque Spec: Steer Tube 5.5Nm