Using sandblasting anode treatment, the ring has brilliant colors.You can install the ring on both ends of the handlebar to embellish the bike, showing the personality and being unique.It is made of refined aluminum alloy with exquisite and round appearance.There are 2 models for you to choose from 8mm, 12mm.It is suitable for 22.2mm bicycle handlebar round tube. Using high-quality screws and 3mm hexagon wrench, the installation is easy, and not easy to slip teeth.Item Name: Bicycle Grip RingMaterial:Aluminum AlloySize Details:8MM: 3.4cm x 0.8cm/1.34" x 0.31" (Approx.)12MM: 3.4cm x 1.2cm/1.34" x 0.47" (Approx.)Notes:Due to the light and screen setting difference, the product's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 X Screws2 X Bicycle Grip Rings