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The Shimano 105 FC-R7100 Crank is a super sturdy 2x12 HOLLOWTECH II style crankset intended to be paired with the new 12-speed 105 Di2 group.
The crank comes in 50x34t configuration. Combined with the new 11-34 and 11-36t cassettes, it delivers a low, even sub 1:1 gear combination that can help riders take on steeper slopes, and better control their efforts.
The new Shimano 105 12 Speed Di2 groupset brings the benefits of semi-wireless electronic drivetrains to their workhorse line of components.
Pro level features are now available for every-day cyclists.
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