Altus Rear derailleur offering Crisp Performance on- and Off-Road for 9-Speed drivetrains. Wide Link Design Increases Design and Service Life. 11-Tooth Pulleys for Reduced Pulley wear and Chain
Shimano Altus Fd-m313 M310 Bike Front Derailleur Fd M313/m311 Clamp 28.6mm/31.8mm/34.9mm 8/24 Speed Fd-m310 Mtb Bike Derailleur - Bicycle Derailleur - AliExpress
Amazon.com : Shimano RDM310DL Altus GS 7/8-speed Rear Der Black,Long Cage : Rear Bike Derailleurs : Sports & Outdoors
Shimano Altus CS-HG200 7/8/21/24 Speed Mountain Bike Bicycle Cassette Black US | eBay