GIANT Contact SL Aero 31.8 mm stem

Designed exclusively for 2023 and onward Propel and EnviLiv internally routed aero road bikes, the Contact SL Aero Stem is an ultralight, fully integrated alloy stem that delivers maximum aero gains and clean, easy cable management. Features: - Engineered exclusively for the D-shaped OverDrive Aero steerer tube of the Propel and EnviLiv Only - Integrated aero silhouette from the stem cap to the spacers to the head tube - Closed and rounded face plate works seamlessly with the all-new Contact Aero SLR and SL handlebar for maximum aero advantage - Refined shaping and application of ultra-light aluminum means total control at a low weight - Simplified cable management hides all the cables inside and beneath the stem for optimized aerodynamics and a clean look - Available in eight lengths from 80mm to 140mm Specifications: - Material: Alloy - Weight (g): 203 / 213 / 225 / 235 / 245 / 256 / 266 - Length (mm): 80 / 90 / 100 / 110 / 120 / 130 / 140 - Angle: ±10° - Bar Clamp Dia. (mm): 31.8 - Steerer tube clamp Dia. (mm): OverdriveAero only - Stack Height (mm): 40