Wheels MFG Derailleur Hanger 341 BMC

. CNC machined 6061 aluminium . Black anodized finish . Attaches to frame with (2) M3x8 Flat Head Screws . Fastener not Included . Replaces BMC Hanger #36 (Part #210544) . Note: This hanger is 3.5mm thick where it attaches to the frame.