Inkesky 7/8/9 Speed Bike Rear Derailleur - Direct Mount(NOT Hanger Mount) - Long Cage(SGS) - Compatible with Shimano for Mountain Bike, MTB Cycling
Meghna Shimano Altus RD-M370-SGS 9-Speed Long Cage Rear Derailleur Black Direct Mount for Mountain Bike - Walmart.com
Sram X-9 Rear Derailleur 9 Speed Carbon Medium Cage MTB Mountain Bike, X7 X9 X0 | eBay
Will my bike frame be compatible with a 9-speed derailleur? (more in comments) : r/bikewrench
SANWOOD LTWOO A5 9-speed Bicycle Right Trigger Shifter Derailleur with Gear Display for Mountain Bike - Walmart.com
Amazon.com : Box Two Prime 9 X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Gloss Hard Onyx Sealed Bushings Pulleys | Black : Sports & Outdoors
Amazon.com : MEGHNA Shimano Bike Rear Derailleur 9 Speed Direct Mount RD-M2000 for Mountain Bike BMX : Sports & Outdoors