North shore billet derailleur hanger trek sessionprecision cnc machined derailleur hanger from north shore billet stronger stiffer and made to out perform oem hangers suitable for 2009 2010 2011 trek session 88 fr dh nb this is not the same as nsb dh0066 and will not fit trek scratchfeatures cnc machined from 6061 t6 aluminum anodized pewter finish weight 005lbs model nsb dh0026 trek part w285673buy north shore billet frame spares from chain reaction cycles the worlds largest