Shimano CUES FC-U6000-2 Crankset - 170mm 9/10-Speed 46/30t Asymmetric 110 BCD Hollowtech II BLKShimano CUES FC U6000 2 Crankset 170mm 9 10 Speed 46 30t 110 BCD Hollowtech II Black. The Shimano CUES FC U6000 2 crankset provides reliable and smooth all terrain performance. 2 pc design provides increased rigidity with less weight Durable and lightweight aluminum crank arms For frames with 68 73mm bottom bracket shells BB MT501 or BB MT500 PA bottom bracket recommended (sold separately) Outbound bottom bracket required Compatible with LINKGLIDE AND