Is this Sora rear derailleur (rd r3000 gs) actually compatible with 8 speed cassette or is it seller mistake? Can't find any other information online. : r/bikewrench
Shimano SORA R3000 9 Speed Short Cage Rear Derailleur SS For Road Bike Bicycle Affordable Wide Range Compatibility
Rear Derailleur Road Bikes Shimano Sora | Shimano Sora R3000 Rear Derailleur - Bicycle Derailleur - Aliexpress
Amazon.com: SENSAH STI Road Bike Shifters Double 2×8/2×9 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2*8s-Lever) : Sports & Outdoors
Amazon.com: SENSAH STI Road Bike Shifters Double 2×9 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Sora 9 Speed Shifter(2*9 Lever) : Sports & Outdoors
SHIMANO Sora Road Bike CS-HG50-8 8 speed 11-28t Cassett
Shimano Sora 8 Speed Cassette
Shimano Sora R400 Double/Triple 8-Speed Braze-On Shifters | Tree Fort Bikes
Shimano Sora rear derr. for 8 speed. – Defietsenmaker
Shimano Sora 8 Speed Road Bike Groupset Build Kit STI Shifters Triple Crank 170 | SidelineSwap
Shimano Claris 8-speed Dual Control Levers - Bicycle Doctor Nordic Ski Shop