Shimano Tourney RD-TY300, RD-TZ50 Rear Derailleurs
- TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage
- Rear Derailleur Mount Type:Shimano Rear Direct Mount
- Drivetrain Speeds: 6 , 7
- Cage Length:Long
- Chain Wrap Capacity (teeth):43 teeth
- Largest Cog:34
- Color:Black