Wheels Mfg Derailleur Hanger Dropout #664 ModelNumber=E4077 Fits 110 BCD asymmetric 4-bolt

Fits 110 BCD asymmetric 4-bolt cranks

• With sponge applicator

BlackBox (Ti spring tube) dampers are being phased-out for 2012+ (substitute either XX or DNA models if needed application no longer listed)

Important to have a good iron to get an efficient melting of the wax

supported braking edges and outstanding self-cleaning properties

Wheels Mfg Derailleur Hanger Dropout #664 ModelNumber=E4077 Fits 110 BCD asymmetric 4-boltMachined aluminum replacement derailleur hangers to fit a wide variety of frames For more updated info please visit https: wheelsmfg. com derailleur hanger tech help Made in USA TECH SPECS hanger # 664