Shimano Alivio Rear Derailleur
The Shimano Alivio RD-M4000 SGS rear derailleur is designed for aggressive riding. With its super low profile and single-tension construction, it does not hit the chainstay in rough riding conditions. It's smooth and quiet, featuring Shadow Rd technology for less trouble.
- Wide link design increases durability and precise shifting.
- Advanced light action.
- Speed: 9 Speed
- Cassette Compatibility: Minimum sprocket size: 11 - 12 teeth, maximum sprocket size: 32 - 36 teeth
- Weight: 252 grams