Premium PRO STEM - LT OS 110mm Black with 30 - 40Deg Adjustable Angle for Superior Control

Using this stem is easy. First, attach it to your bike with the 31.8 clamp. Then, adjust the angle between 30 and 40 degrees to suit your riding style. When using, make sure the clamp is tightened properly to avoid any safety issues. For maintenance, clean it regularly with a soft cloth. If it gets wet, dry it thoroughly to prevent rust. Check the clamp and bolts periodically for any signs of wear or looseness and tighten or replace them as needed.