![SENSAH STI Road Bike Shifters Double 2×9 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Sora 9 Speed Shifter(2*9 Lever) SENSAH STI Road Bike Shifters Double 2×9 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Sora 9 Speed Shifter(2*9 Lever)](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/711MyVZ4p0L._AC_UF894,1000_QL80_.jpg)
SENSAH STI Road Bike Shifters Double 2×9 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Sora 9 Speed Shifter(2*9 Lever)
![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 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](https://preview.redd.it/ikjr8n85nfx31.png?auto=webp&s=dfc294755cc534486427925b9cdd10e2fa052afd)
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 Shimano Sora STI Shifters: 8 Speed - Double/triple - ST-3300 & ST-3303 - Front & Rear - Bike Recyclery](https://cdn11.bigcommerce.com/s-1rmgckn/images/stencil/2280x2280/products/11409/137714/vintage_track_parts_sugino_zen_powercrank_dura_ace_7400_600_6400_19694__00950.1661212372.jpg?c=2)