SunRace M91 Rear Derailleur - 9-Speed Long Cage Black Number of Chainrings-Double 5mm inner width) for more

5mm inner width) for more lateral stiffness and improved tire profile

front/rear front description Pro5 center lock axle 15mm

Tool set contains 48 pieces

Rear Der/Shifter Compatibility microSHIFT ADVENT Drivetrain Speeds 9 Shifter Style Trigger Color Black Weight 120 Designed for ebike Yes

SunRace M91 Rear Derailleur - 9-Speed Long Cage Black Number of Chainrings-Double 5mm inner width) for moreThe SunRace M9 Rear Derailleuris designed for 9 speed MTB drivetrains. Largest Cog 36 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 9 Weight 342 Chain Wrap Capacity (teeth) 45 Cage Length Long