Dura Ace SM-AD91
34.9mm
$24.99
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Dura Ace SM-AD91
$24.99
Details
- 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
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