![SHIMANO SORA R3000 2x9 Speed Groupset with Shifter - Brazed-On Mount Front Rear Derailleur -Medium / Short Cage- Road Original - AliExpress SHIMANO SORA R3000 2x9 Speed Groupset with Shifter - Brazed-On Mount Front Rear Derailleur -Medium / Short Cage- Road Original - AliExpress](https://ae01.alicdn.com/kf/H54d32a179d5a434d959077be94336546n/SHIMANO-SORA-R3000-2x9-Speed-Groupset-with-Shifter-Brazed-On-Mount-Front-Rear-Derailleur-Medium-Short.jpg)
SHIMANO SORA R3000 2x9 Speed Groupset with Shifter - Brazed-On Mount Front Rear Derailleur -Medium / Short Cage- Road Original - AliExpress
![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://i.redd.it/ikjr8n85nfx31.png)
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 Road Bike Rear Derailleur Medium / Short Cage RD-R3000 SS GS Bike Derailleru 9 Speed RD R3000 - AliExpress Shimano SORA R3000 Road Bike Rear Derailleur Medium / Short Cage RD-R3000 SS GS Bike Derailleru 9 Speed RD R3000 - AliExpress](https://ae01.alicdn.com/kf/S5de70aedddc14a078f3baae640c3edbfX/Shimano-SORA-R3000-Road-Bike-Rear-Derailleur-Medium-Short-Cage-RD-R3000-SS-GS-Bike-Derailleru.jpg)