Shimano Tourney RD-TX800 Rear Derailleur – 8 Speed Long Cage Shimano Rear Direct Mount BLK

Shimano Tourney RD-TX800 Rear DerailleursTX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage Largest Cog 34 Color Black Rear Der/Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard D