Wolf Tooth RoadLink: For Shimano Wide Range Road Configuration

Roadlink Rear Derailleur PartThe RoadLink is optimized for use with ten or eleven-speed 11-36t and 11-40t cassettes11-42 or 10-42 setups are not supportedWorks with all 10-11 speed Shimano and SRAM Road DerailleursBest used with Single or Double Setups - see manufacturer's site for more details