Designed to lower your upper body for impreoved effiviency and control on larger wheeled bikes with long forks.Flat head stem with aggressive drop for 27.5" and 29" wheels,2D forged and CNC machined AL7050,4-bolt cold-forged alloy faceplate,Chromoly hardware,-20° × 50, 60, 70, 80, 90, 100, 110, 120mm,Ø31.8mm handlebar clamp diameter,40mm fork clamp stack height,Glossy black anodized,Colour graphics options: Red, Black,Weight: 162g.