North shore billet derailleur hanger cove 3 boltnorth shore billet precision machined bicycle components are 100 made in canada and 100 rider owneda cnc machined hanger is stronger stiffer and will allow your rear derailleur to shift more effectively north shore billet derailleur hangers out perform oem hangers because the material used is a higher grade aluminium than what oem hangers are made from features precise fit individually packaged and clearly labelled material cnc machined f