Description: Made of aluminium alloy material,lightweight and durable. Converts 31.8mm to 28.6mm. Small size,easy to install and use. This reducer allows you to use smaller diameter standard size handlebars in an oversize stem. If your bike handlebar is 28.6mm but the aheadset stem installation aperture is 31.8mm,then add the handlebar conversion chip can be installed to install it in 31.8 aheadset stem. Specification: Material: Aluminium Alloy Color: Black Inner diameter: 28.6mm/1.1inch Outer diameter: 31.8mm/1.3inch Package Includes: 1 Set Handlebar Shim(Not Include Derailleur Adapter Clamp ) Note: Please allow 1-3mm error due to manual measurement. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please kindly understand. Make sure you don't mind before you order
