Description
Shimano RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur
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- Shadow Plus technology keeps the low profile shape reducing chainstay and other contact, and adds a chain tensioning device reducing noise and dropped chains
- Compatible with Dyna-Sys 10 speed Shimano products
- Aluminum construction with sealed bearing pulleys
- 4 fluoric coated link pivot bushings for smooth operation
- Shimano Reference Number: RD-M640
