The newly designed cranks offer a perfect balance between lightness and efficiency. The hollow forged aluminum crank arm is anodized, with an elegant gloss black finish that gives it a high-end aesthetic. The resin ribs on the back of the chainrings feature SHIMANO 105's unique structural design that offers low weight with precise shifting performance.
- Optimal balance between stiffness, strength, weight and rotational efficiency.
- The HOLLOWTECH II structure reduces weight while maintaining strength, for better power transfer
- Crank length: 160, 165, 170, 172.5, 175mm
- Tooth combination: 50-34T, 52-36T
- Q-factor: 148mm
