The XR1.5 handlebar stems have a low stack height and a negative rise for mountain bike enthusiasts seeking a lower handlebar position. The optimized aluminum construction achieves a perfect balance of strength, stiffness, and weight. 3D forged from advanced 7075 alloy with a wide four-bolt design to best distribute stresses and reduce the clamping force needed to securely fix the handlebar. This −17° stem is designed for the extreme riding positions of some of our Cross Country World Cup stars