The Shimano Ultegra 6703 Triple Road Bike Crankset uses the same technology as the Dura-Ace 7950, the new Ultegra triple crankset uses a hollow outer chainring to save weight and boost rigidity for optimal power transfer and positive shifting under load. 52/39/30 Chainrings. 10 speed triple.
Item No. » SH-CR6703
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