SHIMANO RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur


Brand Shimano

  • 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