Ollanoos 2Pcs 1-1/8 Inch and 1-1/2 Inch Bike Headset Bearings for Mountain Road Bike, MH-P03 41mmX6.5HX45° with ACB518K 51.8mmX8HX45°, Replacement for FSA Orbit 1.5 ZS Headset No.57

• Fitment: Replacement for FSA Orbit 1.5 ZS Headset No.57, Replacement for FSA Headset No.57CF, Replacement for FSA Orbit 1.5 ZS Headset No.57-1
• Effective Seal Design: The innovative sealed rubber rings in these bearings are engineered to prevent water, dirt, and dust from entering, significantly enhancing their longevity and performance
• Endurance Property: Crafted from sturdy metal, these headset bearings are designed to withstand the rigors of cycling. Their robust construction ensures they can handle the stresses of both mountain and road biking, providing long-lasting performance
• Endurance Property: Crafted from sturdy metal, these headset bearings are designed to withstand the rigors of cycling. Their robust construction ensures they can handle the stresses of both mountain and road biking, providing long-lasting performance
• Easy Installation: These headset bearings are designed for straightforward replacement. Compatible with standard tools, they allow both seasoned mechanics and DIY enthusiasts to upgrade quickly, getting you back on the road or trail in no time

Specification: Upper bearing: 30.15x41x6.5mm Lower bearing: 40x51.8x8mm Chamfer: 36°/45° Compatibility: Suitable for a wide range of brands and models of mountain bikes, road bikes and city bikes. Fitment: Replacement for FSA Orbit 1.5 ZS Headset No.57 Replacement for FSA Headset No.57CF Replacement for FSA Orbit 1.5 ZS Headset No.57-1 Features: Effective sealing: Dual-sided seal design provides dust and water resistance, extending service life. Smooth performance: Delivers a seamless riding experience, enhancing cycling enjoyment. Easy installation: Streamlined design compatible with standard tools for swift replacement. Package Includes: 2* Bike Headset Bearings