The new Record 12x2 speed crankset: a new hole-free crank design that optimizes aerodynamics. The innovative design of the outer chainring ensures faster, quieter and more stable shifting, while the symmetrical design of the inner chainring ensures extreme stability during shifting. Compatible with all frame systems, regardless of the width of the rear chainstay. The carbon crank, steel axis and aluminum chainrings ensure considerable stiffness and excellent power transfer.Features:- System Compatibility: 12-speed- Compatible with all types of frames- Bottom Bracket: Campagnolo Ultra Torque- With bearings, without bearing cupsSpecifications:- Crank Arm Length: 175 mm- Number of Chainrings: 2- Ratio: 34/50 T- Q-Factor: 145.5 mm- Material: Carbon- Material Axis: Steel- Weight: approx. 710g