Aluminum Alloy Rear Derailleur Hanger for TREK Domane Improved Performance

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For Trek-Specific Rear Derailleur Hanger Tail Hook Black Aluminum 6.5x1cm

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For Trek-Specific Rear Derailleur Hanger Tail Hook Black Aluminum 6.5x1cm

Lightweight Aluminum Alloy Rear Derailleur Hanger For for Trek Bicycle Models