Features: Designed specifically for motorcycle modification, this set of motorcycle retrofitting variable diameter pressure block isolators provides a convenient and efficient solution for adjusting pipe diameters. Made from high-quality materials, these isolators ensure durability and stable performance even under high load conditions. Available in various models and sizes, they can be easily matched to different motorcycle models and pipe diameters. Ideal for motorcycle enthusiasts and modification hobbyists looking to enhance performance and personalize their vehicles. Suitable for use in professional environments such as motorcycle modification shops and repair service centers to meet the needs of motorcycle customization projects. Also suitable for individual motorcycle modification studios or garages, allowing users to fulfill personal customization requirements and carry out DIY modification projects. Specifications: Material: Aluminum Alloy Color: Silver Size: Approx. 23mm / 0.91 inch Package Includes: 4 pcs Spacers Note: ① Please allow 1-2 cm errors due to manual measurement; ensure you are comfortable with this before ordering. ② Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you for your understanding.