Shimano Tourney RD-TX800 Rear Derailleur - 7/8 Speed (Silver)

Shimano Tourney RD-TX800 Rear Derailleurs TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage Specifications Rear Derailleur Mount Type: Shimano Rear Direct Mount Drivetrain Speeds: 7 Or 8 Cage Length: Long Chain Wrap Capacity (teeth): 43 teeth Largest Cog: 34 Color: Silver Rear Der/Shifter Compatibility: Shimano Mountai