The FSA Headset Bearing (MR229) is a high-quality replacement bearing designed for use in integrated and semi-integrated headsets with 1 ⅛″ steerer tubes and 36°/45° bearing seats. Constructed from robust chrome steel and engineered to precise tolerances, this bearing ensures smooth, reliable steering performance and long service life.

Perfect for mountain bikes or road bikes using ACB (Angular Contact Bearing) designs, the FSA bearing helps reduce friction and provides consistent, stable handling even over rough terrain.