ENLEE XR430 Bicycle Stem 31.8mm CNC Aluminum Alloy Mountain Bike Handlebar Stem. Specification: Main body material: aluminum alloy Product color: black, red, purple, orange, green, multicolor Product packaging size: about 115x70x65mm/4.53x2.76x2.56in Product net weight : about 155g Length: 45mm/1.77" (The length here refers to the length between the midpoints of two pipe diameters, not the total length of the product) Applicable handlebar: 31.8mm/1.25" Feature: 1. Aluminum alloy material: lightweight, quality assurance; 2. CNC process: ensure hardness and reduce weight; 3,Fashion Hollow Design: Beautiful appearance, different from most of them on the market. Note: Due to differences in monitors and effects lighting, the actual color of the item may be slightly different from the color in the photos. Thank you! Please allow 1-2 cm difference due to manual measurement.