SHIMANO Crankset Black 52x36T IFCR7100DX26 FC-R7100 172.5mm

Optimized design for stiffness, strength, weight, and rotational performance Hollow glide construction reduces weight while maintaining strength for better power transfer and faster, more accurate front shifting Two gear options: 50-34T and 52-36T, and five crank lengths: 160, 165, 170, 172.5, and 175 mm 172.5mm 52x36T Release year/model year: 2022