Origin8 Flow Stem Description: The Origin8 Flow Stem is 3D forged from 6061-T6 aluminum designed for both road and mountain use. This model has a 31.8mm bar clamp diameter and features a 40mm stack height. Features: Alloy stem with moderate rise, suited for road or mountain use 3D forged AL6061-T6 alloy construction 40mm stack height 4-bolt front loading faceplate design ISO-Mountain safety certified Specifications: Reach: 70mm Clamp Diameter: 31.8mm Angle: 7deg Stack Height: 40mm Color: Matte Black Weight: -