This 1.1/8 black alloy threadless headset features a cartridge ball bearing with dimensions of 1-1/8 X 34 X 30mm. It offers smooth rotation and reliable performance.

Using this headset is easy. Just install it properly on your equipment according to the standard installation process. Make sure to check if it fits well. When using, avoid applying excessive force to prevent damage. For maintenance, keep it clean regularly. Wipe it with a dry cloth to remove dust and dirt. If you notice any abnormal noise or movement, it's a good idea to have it checked or replaced in time.