Shimano Altus RD-M370/M310 Rear Derailleurs
- 7/8-Speed
- 13t upper and 15t lower pulleys
- Largest Cog: 34
- Rear Derailleur Mount Type: 10x1 Standard
- Chain Wrap Capacity (teeth): 43
- Cage Length: Long
- Rear Der/Shifter Compatibility: Shimano Mountain
- Drivetrain Speeds: 7 , 8
- Weight: 326
