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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Born to go fast on the trail
Offset 8mm
Highly tuned yet extremely durable
File for treating steel edges
So the boot you buy in store feels the same on the mountain
Shimano Ultegra Di2 6870SS Rear Derailleur Best Seller Born to go fast onExperience the pinnacle of shifting performance with the Shimano Dura Ace Ultegra Di2 6870SS Rear Derailleur. This electronic shifting system delivers incredibly fast, precise, and effortless gear changes. Designed for top level competition, it offers unmatched reliability and smooth shifting action. Details 11 Speed 257g 1 SD50 Port 33T Capacity Conventional Mount
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