105 FC-RS520 Crankset - 175mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK
This is a 175mm long, double chainring crankset for road bikes, compatible with 135/142mm road disc hubs and Shimano Hollowtech II spindles. The chainrings are 50/34 teeth and are black.
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