Wolf Tooth Components Lindarets GoatLink Shimano Direct Mount Rear Derailleur Compatible with 2013 or later Shimano 10-speed Shadow Plus rear derailleurs that use the 8mm Direct Mount intermediate link whose link is 7.9 - 8.1mm thick Does not work with direct mount native frames or SRAM rear derailleurs Improves chain wrap and reduces premature shifting degradation by replacing the Direct Mount link from compatible Shimano ten-speed rear derailleurs The fastest route to improved wear and long-term shifting performance on wide-range 1x10 drivetrains that utilize Shimano Shadow Plus derailleurs Goatlinks are designed to optimize the derailleur's position relative to your cassette. Offered in two versions - a 10-speed and 11-speed, each is intended to improve the shifting of your 1