YAJU Product name: Bicycle short stem This stem is made of high-strength aluminum alloy and fully CNC, which is sturdy and durable, which is conducive to the control of the bicycle and makes the steering of the bicycle lighter and more flexible.This stem with long handle will be faster, more stable and safer The fixing screw adopts titanium plating process, the installation effect is firm and very cool. Applicable caliber: front compatiblek standpipe 28.6MM, handlebar 31.8MM size:31.8x50mm Material:Aluminum alloy colour:Multicolor Package Contents:1 x Bicycle Handlebar Stem Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.