Industry Nines 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

40mmLength:

• 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

50mmLength:

• 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