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The CEMA Steuersatzlager ACB 51,8 x 40 x 8 x 45°/45° is a high-quality headset bearing designed to deliver smooth, precise steering performance on a wide range of bicycles. Built as an angular contact bearing, it is engineered to handle both radial and axial loads, which are common in the headset area during braking, cornering, and rough riding. The specified dimensions and 45°/45° contact angles make it suitable for many integrated and semi-integrated headsets that rely on this popular standard, offering a reliable replacement option when your original bearing wears out.
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, along with quality seals to keep out water and dirt, helping to extend service life and reduce maintenance intervals. Whether you are refreshing a road, MTB, gravel, or urban bike, installing a precise new headset bearing can noticeably improve steering feel, reduce play, and eliminate creaking noises. The CEMA Steuersatzlager ACB is an excellent choice for riders who value dependable performance, clean steering response, and long-lasting reliability in their cockpit setup.
