Shimano Tourney RD-TY300/TZ50 Rear Derailleur Features
Shimano Tourney RD-TY300, RD-TZ50 Rear Derailleurs- Shimano Tourney RD-TY300, RD-TZ50 Rear Derailleurs
- TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage