RoadLink Direct Mount for Shimano, 11sp

`- Shimano derailleur adapter conceived by Lindarets, made by Wolf Tooth Components\n- Improves long-term shifting performance on wide-range one-by-ten drivetrains\n- Increases chain wrap (69% for 40t, 53% for 42t), eliminates the need to drastically thread in the b-tension screw\n- Repositions Shimano 10 or 11-speed rear derailleurs to increase chain wrap and reduce premature shifting degradation\n- Installs in moments with little more than a 5mm Allen wrench \n- 19g