SHIMANO 105 R7100 Crankset - 2 x 12-Speed - 50-34t - 172.5mm hydration Firm compression supports every contour

Firm compression supports every contour of the foot to reduce fatigue during long rides

there's no missing it now

performance-limiting lactic acid

DoubleDown (2×120 TPI)

SHIMANO 105 R7100 Crankset - 2 x 12-Speed - 50-34t - 172.5mm hydration Firm compression supports every contourThe newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.