QIHAWN Bicycle Tapered Fork Open Crown Race, 1.5 Inch Bike Headset Base Ring, Aluminium Alloy Replacement for 52mm 54mm Bike Headset, 39.8mm Inner Diameter

• Precision Engineered 1.5 Inch Tapered Fork FitThis bike headset crown race is specifically designed for 1.5 inch tapered bicycle forks, with a standard 39.8mm inner diameter, perfectly matched for 52mm and 54mm bike headset systems. It is the ideal direct replacement for worn, damaged or lost crown races, fully restoring smooth, reliable functionality to your bike’s steering system.
• Premium High-Strength Aluminium Alloy ConstructionExpertly crafted from high-grade lightweight aluminium alloy, this headset crown race delivers exceptional structural strength, impact resistance and long-term durability. The robust material withstands the rigours of regular road and trail riding, with excellent corrosion resistance for consistent all-weather cycling performance.
• Ultra-Lightweight Slim Profile for Zero Added BulkWith a total weight of approximately 6g and a slim 5mm thickness, this crown race adds negligible weight to your bike’s front end, with no excess bulk or negative impact on your bike’s handling and steering feel. It preserves the lightweight performance of your road, mountain, gravel or hybrid bike.
• OEM-Standard Precision Fit for Hassle-Free InstallationPrecision machined to strict bicycle industry standard dimensions, this open crown race delivers a perfect, tight OEM fit to your tapered fork steerer tube. Installation is quick and straightforward for both home bike mechanics and professional workshop fitters, with no modifications required for correct, secure fitment.
• Universal Compatibility for Most Bike TypesThis replacement headset crown race is suitable for a wide range of bike disciplines, including mountain bikes, road bikes, hybrid bikes, gravel bikes and touring bikes fitted with 1.5 inch tapered forks and 52mm/54mm headset systems. It is the essential spare or replacement part for every cyclist’s home workshop toolkit.

Product Description Restore smooth, reliable steering performance to your bike with the QIHAWN premium tapered fork headset crown race, the precision-engineered replacement part for worn, damaged or lost bicycle headset base rings. Specifically designed for 1.5 inch tapered bicycle forks, this crown race is machined to strict industry standard dimensions, with a 39.8mm inner diameter perfectly matched for 52mm and 54mm bike headset systems. It is the ideal direct OEM replacement, restoring full functionality to your bike’s steering system for safe, confident riding on both roads and trails. Expertly crafted from high-grade lightweight aluminium alloy, this crown race delivers exceptional structural strength, impact resistance and long-term durability, with excellent corrosion resistance to withstand the rigours of all-weather cycling. At just 6g total weight and 5mm thickness, it adds negligible bulk to your bike, preserving the lightweight handling and performance of your ride. Precision machining ensures a perfect, tight fit to your fork steerer tube, with quick, hassle-free installation that requires no modifications to your bike. It is suitable for both home DIY bike maintenance and professional workshop fitting, making it the essential spare part for every cyclist. Full Product Specifications Product Type: Bicycle Tapered Fork Open Crown Race / Headset Base Ring Core Material: High-Grade Lightweight Aluminium Alloy Standard Inner Diameter: 39.8mm Thickness: 5mm Total Weight: Approx. 6g Compatible Fork Size: 1.5 Inch Tapered Bicycle Forks Matched Headset Systems: 52mm & 54mm Bike Headsets Pack Quantity: 1 x Bike Headset Crown Race Primary Applications: Bicycle Headset Replacement Part, Bike Steering System Maintenance, Road & Mountain Bike Spares Package Contents 1 x QIHAWN Bicycle Headset Crown Race Important Installation & Safety Notes Critical Safety Warning: Correct installation of your bike’s headset is essential for safe riding. If you are not experienced in bicycle headset maintenance and fitting, we recommend installation by a qualified professional bike mechanic to ensure correct fitment and safe operation. Please confirm your fork size, headset system dimensions and required crown race inner diameter before purchasing, to ensure full compatibility with your bike. For optimal performance and longevity, inspect the crown race regularly for signs of wear, and replace it if any damage or excessive wear is detected.