HOLLOWTECH II Road Crankset 2×12-speed.

HyOptimal balance of stiffness, strength, weight and rotational performance.

HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting.

• Crank arm length: 160, 165, 170, 172.5, 175 mm
• Gear Combination: 50-34T, 52-36T* * MY24 model
• Q-factor: 148 mm