Black Alloy Bike Tailhook Rear Derailleur Mech Hanger for CERVELO R2 S3
X Bike Rear Derailleur hanger. for R2 - 2015. for S3 - 2013-15. Material: Aluminum alloy. Color: Black (As Pictures Show). for R3 - 2012-2015. for R3 Team - 2012-2013. for R5 - 2012-15.