Scott Rear Derailleur Hanger Spark/Genius Muc-Off protects from the elements and

protects from the elements and enhances vision with Prizm™ lens technology

with an unprecedented 520-percent range

Rally RS100 is tested to the extreme

Compatible with SPD-SL pedals

Scott Rear Derailleur Hanger Spark/Genius Muc-Off protects from the elements andHigh quality, original replacement derailleur hanger for Scale, Spark and Genius frames from Scott, Material: aluminum Compatibility frame: Scott Scale from 2011 Scott Spark from 2007 to 2011 Scott Genius from 2009 to 2012 Compatibility axle type : 5 x 135 mm quick release Compatibility rear derailleur: all common rear derailleurs from Shimano, SRAM and Campagnolo Color: Black