The Santa Cruz 142mm Mech Hanger Suitable for all 142mm Axle Carbon Frames.   For regular rear derailleurs only please check the part you require matches the picture to make absolutely sure you're purchasing the correct item. Santa Cruz 142mm Mech Hanger Features Blur XC Carbon (from 2013) Tallboy Carbon (from 2013) Tallboy LTc Tallboy LT Tallboy Alloy Blur TRc (from 2013) Highball Carbon (from 2013) Blur LT Blur LTc (from 2013) Nomad Carbon (from mid 2012)