Shimano Rear Derailleur/RD-M310-S/Altus 7/8 Speed Direct Attachment

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

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