Welcome to ZTTO Official Store! Item Name: Stem Material:Aluminum Alloy Size:2.86cmx3.18cmx3.5cm/1.13inx1.25inx1.38in Thicker aluminum alloy material makes it firm and wear-resistant, which can prolong service life. The installation of the product is easy, just using four bolt rod clamps firmly fix the rod in place. The short stem makes the steering more flexible, while the long one doesn't make the steering flexible. And the short stem is matched with the long handlebar, which is stable and flexible. Made of aluminum alloy, it is durable and wear-resistant . The steer tube diameter of the product is 28.6mm, the handlebar clamp diameter is 31.8mm, and the length is 35mm. It is suitable for the front fork of standard straight tube and standard tapered tube of 28.6-30MM. Notes: Due to the light and screen setting difference, the product's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Handlebar Stem