Professional and strict workmanship makes it very wear-resistant and durable. Simple and convenient installation will not waste your time and effort. The wide range of applications makes it very reliable and practical. High hardness and high strength allow it to be used for a long time. Made of aluminum alloy material, it is very durable to use. The length of this product is 4.1cm, the width is 3.1cm and the height is 3.2cm. It turns a 25.4mm diameter handlebar into 31.8mm. Item Name: Bicycle Handlebar Spacer Material: Aluminum Alloy Features: Simple Installation, Wear-resistant, High Adaptability Size Details: Size: 4.1cm x 3.1cm x 3.2cm or 1.61" x 1.22" x 1.26" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 Sets of Bicycle Handlebar Spacers (4Pcs)