Dura Ace SM-AD91
Product # 270774
Derailleurs > Front Derailleur Parts
  • For frames without braze-on hanger
  • Designed specifically for Di2 derailleurs
  • Also works with mechanical derailleurs
  • Built-in aluminium plate stabilizes the derailleur while changing gears
  • Failure to use this clamp could result in damage to the bicycle frame
Specs
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