- Engineered for Performance: This set includes two high-quality 1-1/8" headset caged ball bearings, each featuring 20 precisely positioned steel balls. Designed for smooth rotation and superior performance, these bearings enhance your cycling experience. The 5/32" diameter balls are expertly spaced to ensure even load distribution and reduced friction. - Perfect Fit Dimensions: With a 32mm inner diameter and a 39mm outer diameter, these bearings are compatible with standard 1-1/8" headsets used in most modern bicycles. The exact measurements guarantee proper installation and optimal functionality for your bike's steering system. - Smooth Steering Control: Upgrade your ride with these replacement bearings that eliminate wobbling and provide consistent steering response. The caged design maintains proper ball spacing, resulting in reduced friction and quieter operation. This allows for greater confidence when navigating technical descents and sharp turns. - Long-Lasting Construction: Made from high-strength metal materials, these bearings are built to endure repeated use in various riding conditions. The durable cage design prevents ball displacement and minimizes premature wear, significantly extending the lifespan of your bike's headset assembly. - Practical Applications: Whether you're tackling rugged mountain trails, enjoying a leisurely ride through the park, or racing on the road, these bearings ensure reliable performance. They are ideal for cyclists looking to enhance their bike's handling and longevity, providing a noticeable improvement in steering precision and overall ride quality.