Campagnolo Super Record Carbon Ultra Torque TI 12 Speed Chainset , Black, 170 mm 53-39T

Enhanced design, same dimensions Unidirectional carbon fibre hand cranks, steel axle and aluminium chainrings Compatible with all frame systems, regardless of the width of the rear chainstay They provide maximum stiffness to the crankset during upshifting Substantial stiffness and ideal power transfer Symmetrical inner chainring teeth Fluid and precise drivetrain, even with the greater crossovers Optimised design for every chainring combination Improved system stiffness and reduced weight due to increased use of carbon fibre Unchanged Q factor (145.5)