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Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed, Short Cage, Black

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Shimano Saint RD-M820 Rear Derailleurs

  • Shadow+ chain stabilizer provides a simple, lightweight chain control solution
  • Mode Converter allows the derailleur to track different type of cogsets
  • DH mode is a close ratio mode to track up to a 23T-28T low gear
  • AM mode is optimized for a wider ratio cogset with a 32T - 34T low gear