This bicycle headset is made of high quality material. High strength and unbreakable, long service life. Easy to install and use, a great choice for you.Feature: Made of high quality aluminium alloy material, this product is sturdy and durable. Adopted anodized processing, anti-rust, colorfast, and non-deformation. High strength and unbreakable, long service life. Easy to install and reliable to use, very practical. Good replacement for your bike, make riding easier and more enjoyable. Spec:Brand: ZTTOCondition: 100% Brand NewItem Type: Bicycle HeadsetMaterial: Aluminium AlloyColor: As Picture ShowedSurface Treatment: AnodizingSpecifications: 28.6*42-52*39.8mmFitness: For 28.6-39.6mm Tapered Tube Front Fork, 42-52mm Conical Frame Size: Approx. 30mm / 1.2inchWeight: Approx. 135g / 4.8zPackage List:1 * Set of Bicycle Headset