Shimano Deore 9-Speed Mountain Bicycle Rear Derailleur - RD-M591
- 9-speed compatible
- Compatible with all Shimano 9-speed HG cassettes, 9-speed mountain shifters and 9-speed chains
- Flourine coated link pin bushings
- 34t minimum low gear for proper function
- Weight: 299 grams
DERAILLEURS SHIMANO RD-M591 DEORE BK SGS