Shimano SORA R3000 9 Speed Short Cage Rear Derailleur SS For Road Bike Bicycle Affordable Wide Range Compatibility
8 Speed Shimano Sora RD-2300 Medium Cage Rear Derailleur
Review: Shimano Sora 3500 groupset | road.cc
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 STI Shifters: 8 Speed - Double/triple - ST-3300 & ST-3303 - Front & Rear - Bike Recyclery
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
Shimano Sora HG50 8 Spd Road Cassette - Cambria Bike
Shimano Sora 2300 8 speed Mini Groupset (F & R mechs, Shifters) | CycleChat Cycling Forum