Tanpan - Shimano Derailleur Adaptor

Goatlink 11-Speed Version

RoadLink Direct Mount for Shimano R8000/R9100 Rear Derailleurs for Wide-Range Cassettes

RoadLink: For Shimano Wide Range Road Configuration

Tanpan Ferrule

25mm long B-Screw for Adapting Old Derailleurs when using a GC Cog