Cane Creek 40-Series ZeroStack Headset Upper (ZS44) – Short Top for 44mm Head Tube, 1-1/8in Threadless, Black

• Clip-Seal keeps the top assembly protected while capturing the compression ring
• Cross-compatible internal parts across 10-, 40-, and 110-Series setups
• ZeroStack consistency with an 8mm stack height for precise builds

Upgrade or complete your internal headset build with the Cane Creek 40-Series ZeroStack short upper (ZS44) for a 44mm head tube. Designed for 1-1/8in threadless applications, this sealed black-oxide headset upper features the Clip-Seal system to help protect the top assembly and support a secure compression interface. With cross-series compatibility and consistent stack height across 10, 40, and 110 series, its built to deliver reliable fit and smooth, confident handling for performance road and trail cyclists.