Shimano, Shimano Ultegra R8170 Di2 Groupset, 52/36T / 172.5mm / 11-30
by Shimano
MPNShimano55348977238392
Prices updated 16 Mar 2026
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Product Description
Ultegra Di2 R8100 12-speed electronic groupset. Experience instant, precise shifting with hydraulic disc brakes, Ultegra chainset (50/34 or 52/36), and all E-Tube wiring 52/36T / 172.5mm / 11-30 by Shimano
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