Open Derailleur Hanger - Road Bike Shop
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Open Derailleur Hanger
Price: $19.95buy now
The Derailleur Hanger is essential to shifting accuracy. If you're traveling, it's always a good idea to pack an extra one to keep you on the trail -- instead of anxiously waiting for the postman. The Open Derailleur Hanger is compatible with Open's O-1. 0.