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The CEMA Steuersatzlager ACB 51,8 x 40 x 8 x 36°/45° is a high-quality headset bearing designed to deliver smooth, precise steering performance on modern bicycles. Built around the proven angular contact bearing (ACB) design, it is engineered to handle both radial and axial loads, making it ideal for the demands of everyday riding as well as sporty use. The specified dimensions ensure compatibility with many integrated and semi-integrated headsets that use this standard size, allowing for a clean fit and reliable function in a wide range of frames and forks.
CEMA is known for producing durable, low-friction bearings, and this headset bearing is no exception. It typically features high-grade steel races and balls, carefully matched contact angles of 36°/45° for optimal load distribution, and quality seals to keep out dirt and moisture. This helps extend service life and maintain consistent steering feel, even in wet or dusty conditions. Whether you are replacing a worn-out original bearing or upgrading to a smoother, more robust option, the CEMA Steuersatzlager ACB offers a dependable solution that supports precise handling and long-term reliability.
