High-quality BB86/92 bottom bracket. Three-piece notched design. Self-adjusting bearings for enhanced longevity. Fully CNC machined. Anodized 7075-T6 aluminum. Co-molded bearing shields. 6905 bearings made of chrome steel. Shell diameter: 41 mm. Compatible with 24 mm spindle cranksets. Suitable for bearing widths of 86.5/89.5/92 mm. Bottom bracket tool: 16-notch, 44 mm outer diameter (BTL-27L).