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The CEMA Steuersatzlager ACB 52 x 40 x 7 x 36°/45° is a high-quality headset bearing designed to deliver smooth, precise steering performance on a wide range of bicycles. Built around an angular contact bearing (ACB) design, it is engineered to handle both radial and axial loads, which are common in modern head tube and fork interfaces. The 36°/45° contact angles provide reliable support under braking, cornering, and rough road or trail conditions, helping to keep your steering accurate and predictable over time.
This CEMA headset bearing is ideal as an upgrade or replacement for worn original bearings in integrated or semi-integrated headsets that match its dimensions. Riders will appreciate its durable construction, typically featuring high-grade steel races and quality balls, along with precise sealing to keep out water and dirt. This reduces friction, extends service life, and minimizes maintenance needs. Whether you ride road, gravel, MTB, or commuting bikes, a correctly sized CEMA headset bearing like this one helps restore that crisp, play-free steering feel and ensures your cockpit remains stable, quiet, and confidence-inspiring on every ride.
