Thread: Derailleur hanger thread size?
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Old 04-21-19 | 09:02 PM
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dedhed
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Bikes: '68 Raleigh Sprite, '02 Raleigh C500, '84 Raleigh Gran Prix, '91 Trek 400, 2013 Novara Randonee, 1990 Trek 970

Run the tap through from the inside out to chase the threads. If the starting threads are damaged running it from the backside will catch good threads first
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