Shimano Ultegra 10 RD-6600-SS Rear Derailleur - Double

«  ↑  » Shimano Ultegra 10 RD-6600-SS Rear Derailleur - Double Redesigned for 2005 with a new look and 10-speed capabilities. Precision shifting for narrowly spaced 10-speed cassette sprockets. 11-tooth pulleys alternate contact with chain links, reducing chain wear, and the larger pulley diameter runs smoother and lasts longer. Low-friction Advanced Light Action design effectively effectively reduces shifting efforts. maximum sprocket: 27TMin. sprocket: 11TFront difference: 14TTotal capacity: 29TWeight: 209g. Item no longer available. Click Search to find alternatives...