FIT YOUR AEROBARS TO YOUR HANDLEBARS – These Bike Handlebar Shims are useful bike accessories that allow you to easily clamp the Redshift Quick Release Aerobars to your 26.0mm handlebars. FITS THE REDSHIFT QUICK-RELEASE AEROBARS – This handlebar shim kit is designed to work with REDSHIFT Quick-Release Aerobars. They adapt the 31.8mm clamps to fit your 26.0mm handlebar. EASY TO INSTALL IN MINUTES – Place the bicycle handlebar adapter shims inside the handlebar clamps. Once installed, the shims are essentially invisible. SUPERIOR QUALITY AND SATISFACTION – We stand behind the products we sell and want you to have an amazing experience with your Redshift bike parts and components. All our products come with a lifetime warranty.