You can find all the replacement parts you need for your bike at Escapa.
The Formula QR Shimano 8/9-Speed Steel Bolt-On/Loose Ball Hub (SP-2125/FH-01 8-Speed) is an original replacement part used by Specialized on various Rockhopper models.
The Formula QR Shimano 8/9-Speed Steel Bolt-On/Loose Ball Hub (SP-2125/FH-01 8-Speed) is an original replacement part used by Specialized on various Rockhopper models:
2023 Rockhopper Sport 29
2023 Rockhopper Sport 29
2024 Rockhopper Sport
2024 Rockhopper Sport
2023 Rockhopper 27.5
2024 Rockhopper Sport