1、Forged processing shells 7050 ultra-light aluminum alloy, anodized, lasers marking, very fine workmanship, ultra-light weight. 2、Up and down use 2 stainless steel imported sealed industrial bearings, strong and practical, flexible rotation, static run silent, fine-grade appearance 3、Made of high-quality aluminum alloy material, eco-friendly, sturdy and practical to use. 4、Installation labor-saving design, bearing lubrication ball, labor-saving operation, not easy to press crooked Features: Forged processing shells 7050 ultra-light aluminum alloy, anodized, lasers marking, very fine workmanship, ultra-light weight. Up and down use 2 stainless steel imported sealed industrial bearings, strong and practical, flexible rotation, static run silent, fine-grade appearance Made of high-quality aluminum alloy material, eco-friendly, sturdy and practical to use. Installation labor-saving design, bearing lubrication ball, labor-saving operation, not easy to press crooked Specifications: Material: aluminum alloy Color: black, red, blue, green, purple, yellow (optional) Length: 44mm (applicable to 44mm inner diameter (about 50outer diameter)( head tube frame +28.6mm front fork upper tube) Item weight: 80g / 2.8ounce Package size: 100 * 50 * 50mm / 3.9 * 2.0 * 2.0in Package weight: 100g / 3.5ounce Packing List: 1 * MTB Straight Tube Front Fork 1 * MTB Straight Tube Front Fork