The Race Face Aeffect-R DP Cartridge Kit 150mm is designed for maintaining and servicing Race Face Aeffect-R dropper posts. This kit includes all the essential components needed for optimal performance and durability, ensuring your dropper post operates smoothly. With 150mm of travel, it provides the perfect height adjustment for a variety of riding styles. Easy to install and maintain, this cartridge kit is a must-have for any mountain biking enthusiast looking to keep their dropper post in top condition.