Compatible-With For DE ROSA R838 Bike Rear For DErailleur Mech Hanger Dropout
For De Rosa 2014 r838, r848. x Bike Rear Derailleur hanger. for 2015 Pro. for New Sportive Racing. for Gran Fondo 2016 & 2017. for Sportive Bianco. for Azzurro 365. for CERVELO S3.