The Shimano TOURNEY RD-A070 rear derailleur is compatible with 7-speed systems and HG 8/7/6-speed chains.
- Maximum capacity (difference between the largest and smallest chainring + difference between the largest and smallest rear sprocket): 37T
- Minimum number of teeth on the largest sprocket: 28T
- Maximum number of teeth on the largest sprocket: 28T
- Minimum number of teeth on the smallest sprocket: 11T
- Maximum number of teeth on the smallest sprocket: 14T
- Compatible with 7-speed systems
- Compatible chain: HG 8/7/6-speed
- Derailleur pulley tooth count: 11/13T
- Maximum tooth difference between the largest and middle chainrings: 20T
- Cable tension adjuster