Hollowtech II provides the best balance of stiffness, strength, weight, and rotating performance.
HOLLOWTECH II trail crankset (2x11-speed)
Cold forged aluminum for strength and durability
Hollow gear construction optimized rigidity, lightweight and durability
Interchangeable with all of the new XTR chainrings
Standard Q-factor (168mm)
Durable titanium teeth chainrings
Gear combination: 38-28T
Crank arm length: 175