Original CYKL split-design crown race in black anodized aluminum for 1.5" tapered steerers. Its open design allows for immediate manual adjustment without a press tool, eliminating mechanical stress on carbon steerers. Workshop-verified dimensions via calipers: 39.50 mm internal diameter for precise seating on the steerer and 51.44 mm external diameter, perfectly optimized for the 45° seating of the MH-P16H8 lower replacement bearing. Compatible with forks on CYKL RAAVE, SWIIFT, GRAAVE, and AARNY framesets with internal cable routing.