Enduro Bearings ACB 4545 1375 SS Stainless Steel Angular Contact Headset Bearing (37 x 49 x 7mm)
The Enduro Bearings ACB 4545 1375 SS Stainless Steel Bearing is a high-performance angular contact headset bearing engineered for durability, smooth steering, and long service life. Designed specifically for bicycle headsets, this premium bearing delivers superior load handling compared to standard radial bearings, making it ideal for road, gravel, MTB, and e-bike applications.
Unlike conventional bearings that load only a few balls at a time, 45° x 45° angular contact bearings distribute forces evenly across all ball bearings. This maximised load distribution dramatically reduces wear, improves reliability, and extends bearing life, meaning more time riding and less time in the workshop.
Manufactured from high-quality stainless steel, this bearing offers excellent corrosion resistance for year-round riding in wet and harsh conditions. Precision-engineered to ABEC 3 standards with Grade 10 balls, it ensures smooth, consistent headset performance and precise steering control.
Pre-packed with Kyodo Yushi PS-2 grease, the bearing delivers outstanding lubrication stability, reduced friction, and long-lasting protection against contamination.
- Stainless steel angular contact headset bearing
- 45° x 45° angular contact design for maximum load distribution
- Increased durability and extended bearing life
- Smooth, precise steering performance
- Corrosion-resistant stainless steel construction
- Precision ABEC 3, Grade 10 ball bearings
- Pre-lubricated with Kyodo Yushi PS-2 grease
- Ideal replacement bearing for bicycle headsets