Designed for the SCOTT Spark RC, the XC1.5 stems have a low stack height and negative rise for mountain bikers looking for a low handlebar position. Across the range of stem lengths available only the reach changes as we have maintained the stack height across all sizes. The optimized aluminum construction achieves the perfect balance of strength, stiffness and weight. 3D forged from 7075 alloy.Material: Alloy AL7050Angle: -14° / 50mm, -12° / 60mm, -10° / 70mm, -9° / 80mm, -8° / 90mmClamp Diameter: 31.8mmSteerer Diameter: 1 1/8"Length:50mm, 60mm, 70mm, 80mm, 90mmWeight: 150gFeatures:Designed for XC ridingForged and machined AL7050Closed type face plate for most integrated designCorrosion-resistant Torx T25 steel boltsCompatible with all 31.8 bars1 1/8" steererincl. stem topcap and bolt