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Amazon.com: M8 Chainring Derailleur Hanger Bolt Long Version Set of 2 M8 x 12 Fasteners Compatible with Specific GT Specialized Dropouts : Industrial & Scientific
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Amazon.com: M8 Chainring Derailleur Hanger Bolt Long Version Set of 2 M8 x 12 Fasteners Compatible with Specific GT Specialized Dropouts : Industrial & Scientific