The BBB Semi-Integrated Headset is designed for optimal performance in cycling, featuring a 1 1/8″ size and a 44mm headtube ID. Its Zero Stack design ensures a seamless fit, while the durable sealed CrMO bearings provide smooth steering and longevity. This headset is perfect for riders looking to enhance their handling and cornering capabilities, making it an essential component for any serious cyclist. The included crown race adds convenience, ensuring a complete setup for your bike.