The Blackbearing ZS56/30 Lower Headset Bearing offers exceptional steering precision and smooth performance for modern semi-integrated headset systems. Designed to deliver a perfect fit and long-term reliability, it ensures a stable connection between your frame and fork.

Optimized for 1-1/8" Forks: With compatibility for 1-1/8 inch (30mm) fork steerers and 56mm frame diameter, this bearing fits seamlessly into semi-integrated (Zero Stack) headsets. It provides secure alignment, enhancing steering accuracy and ride stability.

Engineered to SHIS Standard ZS56/30: Following the SHIS ZS56/30 specification, it guarantees a precise fit for frames built to this standard. Its exact tolerances make it a dependable choice for replacing worn or damaged lower headset bearings.

Durable, Smooth and Consistent: Crafted from high-quality materials, the ZS56/30 bearing offers low-friction rotation and excellent resistance to wear. This results in improved steering response and smooth operation over long-term use.

Sealed against dirt and moisture, the bearing maintains its smoothness even in harsh riding environments. The Blackbearing ZS56/30 Lower Headset Bearing delivers lasting durability and precision for every ride.

Features

• Optimized for 1-1/8" Forks: Designed for 56mm frame diameters, ensuring secure alignment and improved steering stability in semi-integrated setups.
• Built to SHIS ZS56/30 Standard: Guarantees perfect compatibility and easy replacement for frames requiring ZS56/30 lower headset bearings.
• Durable Construction: High-quality materials provide excellent wear resistance, maintaining smooth performance over thousands of riding hours.
• Smooth and Stable Steering: Low-friction design enhances responsiveness, ensuring consistent control across road, gravel and MTB disciplines.
• Sealed for Protection: Fully sealed structure prevents moisture and dust intrusion, extending bearing life and ensuring long-term dependability.

Specifications

• Product Number: HE-ZS56-30
• Type: Semi-integrated
• Position: Down
• SHIS: ZS56/30
• S.H.I.S Lower: ZS56/30
• Frame Diameter: 56 mm
• Fork Pivot Diameter: 1-1/8 inch (30 mm)