The calibration sleeve for XLC SP-X20 seat posts is a high-quality bicycle accessory designed for optimal performance and a comfortable riding experience. Manufactured by the renowned brand XLC, this calibration sleeve is designed to fit seat posts ranging from 27.2 mm to 28.0 mm. With a length of 80 mm, it provides a precise and secure fit for your seat post, ensuring an optimal riding position. The XLC SP-X20 calibration sleeve is made from durable and resilient materials, making it ideal for intensive and long-term use. It features a clamp screw that allows you to easily and securely adjust the height of your seat post. Additionally, it is easy to install and remove, enabling you to effortlessly adjust your saddle height to your preferences. Whether you are an amateur cyclist or an experienced professional, the XLC SP-X20 calibration sleeve is an essential accessory to enhance your comfort and performance on your bike. Thanks to its ergonomic design and superior functionality, you will enjoy a more pleasant riding experience and improved performance on your cycling trips. Choose quality and reliability with the XLC SP-X20 calibration sleeve for seat posts. With high durability, easy installation, and a precise fit, it is the ideal choice for demanding cyclists. Enhance your riding experience with this high-quality bicycle accessory.