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Shimano brings Synchro Shifting to current Ultegra 6870 and Dura-Ace 9070 groups - BikeRadar
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SYNCHRONIZED SHIFTING NOW AVAILABLE FOR ULTEGRA 6800 AND DURA AC | SHIMANO INFORMATION & NEWS
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Synchro Shift Ultegra Di2, Buy Now, Sale, 55% OFF, acananortheast.com
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