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SunRace M37 Rear Derailleur - 7-Speed Long Cage Black. The SunRace M3 Rear Derailleur is designed for 7-speed MTB drivetrains.Indexed adjuster
- TECH SPECS
| Largest Cog | 30 |
| Color | Black |
| Rear Der/Shifter Compatibility | Shimano Mountain |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Drivetrain Speeds | 7 |
| Weight | 230 |
| Chain Wrap Capacity (teeth) | 37 |
| Cage Length | Long |