Shimano RD-M4000-SGS Alivio Rear Derailleur 9 Speed
The strong, silent type. 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.
Specifications:
- Alivio RD-M4000 7/8/9 Speed Rear Derailleur
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Features: Wide link design increases durability and precise shifting.
- Advanced light action.
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Speed: 9 Speed
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Cassette Compatibility: Minimum sprocket size: 11 - 12 teeth, maximum sprocket size: 32 - 36 teeth
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Maximum Sprocket: 36T Chain Wrap
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Weight: 252 grams