CYSKY Cassette Pacco pignoni 11 velocità 11-42T Cassette Adatte per Mountain Bike, Bici da Strada, MTB, BMX, Sram Sunrace Shimano ultegra xt (11-42T) : Amazon.it: Sport e tempo libero
Shimano Ultegra RD-6800-GS 11-Speed Rear Derailleur | REI Co-op
Amazon.com : Shimano Ultegra FD-R8000 11-Speed 31.8/28.6 Front Derailleur, Black : Sports & Outdoors