FL1.5 stems are designed with a low stack height and negative rise for mountain bikers looking for a low handlebar position. The optimized aluminum construction achieves the perfect balance of strength, stiffness and weight. 3D forged from 7075 alloy and a broad four-bolt face plate design creates a better distribution of stress and lowers the clamping force required to secure the handlebar.Material: Alloy AL2014Angle: 6° flipflop geometryClamp Diameter: Oversize 31.8mmSteerer Diameter: 1 1/8"Weight: 135g (50mm length)