About this item SMART DESIGN: Simple design and easy to install and disassemble, convenient to use, quite suitable for mountain and road bike. HIGH-GRADE MATERIAL: Adopting aluminium alloy material, this Headset Spacer is anti‑rust, and for long time use. FINE WORKMANSHIP: Comes with CNC fine machining, ensures accurate cutting and forging, fits your perfectly. GOOD COMPATIBLITY: Headset Taper Washer an be applied for most ‘ modification, well compatible for 28.6mm/1.1in front fork. GUARANTEE: We strive to provide a better customer experience. In terms of any problem of this product, you can send emails as soon.