Shimano Altus RD-M310 rear derailleur - 7/8 speed.
- Pulley Cage: Smart.
- Type: Direct Attack.
- Cable register: X.
- Compatible chain: HG 8/7 speed.
- Max front difference: 20D.
- Pulley_Teeth: 13/15T.
- Total capacity: 43T.
- Sprockets: 8/7.
- Cage: Smart.
- min_Min sprocket: 28T.
- Min_Max sprocket: 34T.
- Max_Min pinion: 11T.
- Max_Max sprocket: 14T.
