Syncros XR1.0 Carbon -10deg Bicycle Stem - 234763 Material: Carbon fiber UD - Aluminium 7075 Weight: 140gr (90mm length) Angle: -10 Length: 60, 70, 80, 90, 100, and 110mm Clamp Diameter Oversized: 31.8mm Steerer Diameter: 1 1/8 - 28.6mm, Stack Height: 37mm