Industry Nine’s A-Series stems are precision-crafted from aluminum billet, combining sleek design with reliable performance. With over a decade of CNC manufacturing expertise, these stems represent another durable component from Industry Nine. Named after the A-axis of their five-axis machining centers, the A318 is tailored for all-mountain use. It features a 31.8mm handlebar clamp diameter and is available in various lengths to suit modern trail bike geometry. Each A-Series stem is machined, anodized, and assembled entirely in Industry Nine's Asheville, NC facility. Industry Nine A318 Specs 30mm Length: Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6mm Length: 30mm Bar Clamp Diameter (mm): 31.8mm Rise: 4.4mm Stack height: 40mm Weight: 127 grams Stem Angle: 8 degrees 40mm Length: Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6mm Length: 40mm Bar Clamp Diameter (mm): 31.8mm Rise: 4.4mm Stack height: 40mm Weight: 136 grams Stem Angle: 6 degrees 50mm Length: Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6mm Length: 50mm Bar Clamp Diameter (mm): 31.8mm Rise: 5 degrees Stack height: 40mm Weight: 155 grams Stem Angle: 5 degrees