Description: Made of aluminium alloy material,lightweight and durable. Converts 34.9mm to 31.8mm. Small size,eary to install and use. This reducer allows you to use smaller diameter standard size handlebars in an oversize stem. If your bike handlebar is 31.8mm but the aheadset stem installation aperture is 34.9mm,then add the handlebar conversion chip can be installed to install it in 34.9 aheadset stem. Specification: Material: Aluminium Alloy Color: Black Inner diameter: 31.8mm/1.3inch Outer diameter: 34.9mm/1.4inch 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
