The RoadLink is a simple device that offsets the position of your Shimano road derailleur to make it possible to run a wide-range mountain bike style cassette. It is an ideal solution for riders looking to convert their road, gravel, cyclocross, or commuter.
-The RoadLink is optimized for use with ten or eleven-speed 11-36t and 11-40t cassettes
-11-42 or 10-42 setups are not supported
-Works with all 10-11 speed Shimano and SRAM Road Derailleurs
-Best used with Single or Double Setups - see manufacturer's site for more details