Wheels Manufacturing Norco Replacement Derailleur Hanger / Drop Out - 360Wheels Manufacturing Norco Replacement Derailleur Hanger Drop Out 360 All Wheels Manufacturing replacement derailleur hangers are produced at their Colorado shop to exacting tolerances. Genuine Wheels Manufacturing replacement derailleur hanger MPN: DROPOUT 360 Replaces Norco Part #913015 001 2 May fit other brands and models, however, we advise you to assess the product image prior to purchasing to ensure that the item is the correct fit for your