Acros IS52 Headset Lower 1.5" IPS

The Acros fully integrated headset (IS) combines robust stainless steel angular contact bearings with well-designed seals. The result: long-lasting performance, minimal maintenance, and more relaxed time on the bike. Key Features• Headtube Inner Diameter (ID): 55mm• Bearing Dimension: 52 x 40 x 7mm - 36°/45°• Crown Race (SD): 1.5/39.8mm• Stack Height (H): 0-4.05mm• Press-fit Depth (D): 7mm"