Shimano Deore LX 9 Speed Rear Derailleur GS RD-M580
- Shimano's Deore LX rear derailleur has a low-normal return spring(RapidRise).
- Yeilds easier shifting to the lower gears.
- Also has a wider link design which provides silky smooth shifting.
- Mega 9 Drive Train
- Wide-link Design
- SGS/Long cage with total capacity of 45T
- Weight 310g