Features: Short length. Since it is made of NBR rubber, it has excellent abrasion resistance, heat resistance, and oil resistance. This is a generic item that fits a variety of vehicles when it comes to size. Size: Upper inner diameter 1.1 inches (27 mm), Lower inner diameter 1.7 inches (43 mm), Total length 4.7 inches (120 mm). *For safety, please make sure to install it under a certified motorcycle shop mechanic, etc. If there is any defects or abnormalities, please discontinue use immediately. Please check the condition regularly for safety.