The calibration sleeve for XLC SP-X20 seat posts is the perfect accessory for demanding cyclists seeking optimal performance. Manufactured by the renowned brand XLC, this calibration sleeve is designed to fit seat posts with a diameter of 27.2 to 31.6/31.8 mm. With a length of 80 mm, this calibration sleeve provides increased stability and precise adjustment of the seat post. Whether you are a casual rider or a professional, this calibration sleeve is a reliable and high-quality choice. The XLC brand is known for its passion for cycling and the production of innovative products that meet the needs of cyclists. The calibration sleeve for XLC SP-X20 seat posts is no exception. It is made from high-quality materials to ensure long-lasting durability. As a cyclist, you know how important a perfectly fitting seat post is for a comfortable riding position and optimal performance. The XLC SP-X20 calibration sleeve is the perfect accessory to help you achieve the ideal adjustment of your seat post. It is easy to install and allows for precise and effortless saddle adjustment. Whether you ride a road bike or a mountain bike, the calibration sleeve for XLC SP-X20 seat posts will be your ally for enjoyable and high-performing rides. Don't let a poorly fitting seat post ruin your cycling experience. Trust XLC to provide the best equipment. Choose the calibration sleeve for XLC SP-X20 seat posts and enjoy a perfect fit, increased stability, and optimal performance on your cycling adventures.