【Precision Bike Headset Engineering】This bike headset features the 4252ST 42mm model and utilizes a 28.6mm thin, Integrated Angular Contact IS42/28.6 IS52/40(30) system, ensuring exceptional performance and compatibility. ("42" for OD ø42,"52" for OD ø52,"S"for Straight Tube "T" for Tapered Tube fork)
【Versatile Compatibility】Designed for a top bearing 42mm and bottom bearing 52mm frame originally built for straight tubes, this bike headset enables you to install a tapered tube fork on your frame, expanding your bike's versatility.
【Effortless Installation】Engineered for ease of use, this headset is simple to install, saving you time and effort. It offers excellent value, making your rides smoother and more enjoyable.
【Durable Construction】Crafted from CNC machined AL6061 T6 with sealed bearings, this bike headset weighs approximately 91g, delivering lasting durability and reliable performance.
【Reliable After-Sales Support】Enjoy peace of mind with our 1-year warranty and 24-hour customer service, ensuring you have support whenever you need it.