Description This is a bike stem headset, made of good materials, with sturdy texture and durability. The headset can be placed on your pole to add a to your bicycle. The good production process makes it have good functionality, safe to use and can serve you for a long time. It is a good bike replacement accessory. Features - ColorAssorted Color -Material:Aluminum Alloy, Steel - Size: 5.00X4.00X2.00cm/1.97X1.57X0.79in -Made of good and sturdy materials, smooth and durable, lightweight and practical for a long using time. -This bike headset has a wide range of use, suitable for mountain bikes, road bikes, convenient and durable. -Convenient and practical bike stem headset bearing is a professional and practical bike replacement part. -You can replace the old one with this efficient and practical headset bearing to make your riding safer. -Easy to install and use, and can easily replace old parts, and this bike headset is convenient and practical. Made of good and sturdy materials, smooth and durable, lightweight and practical for a long using time. This bike headset has a wide range of use, suitable for mountain bikes, road bikes, convenient and durable. Convenient and practical bike stem headset bearing is a professional and practical bike replacement part. You can replace the old one with this efficient and practical headset bearing to make your riding safer. Easy to install and use, and can easily replace old parts, and this bike headset is convenient and practical.