The Shimano R7000 105 50-34 172.5mm Crankset in black is a "last chance" item, available only for in-store pickup where stock remains. This Hollowtech II crankset offers optimum power transfer, balancing weight and efficiency with improved stiffness. Its optimized lightweight crank arm design and redesigned chainring tooth profile enhance performance and provide increased clearance for frames with 135mm O.L.D. and 410mm chainstay length.