Campagnolo Chorus 12-Speed Ultra Torque Chainset

Campagnolo Chorus 12-Speed Ultra Torque Chainset The Chorus Ultra Torque 12-Speed Chainset has a steel axle and carbon fibre arms for maximum stiffness and power transfer; whilst the aluminium chainrings have a redesigned tooth profile for better shifting and efficiency even in extreme ratios. The sub-compact bolt circle diameter opens up new possibilities; with a wide range of crank lengths and chainrings available its easy to get exactly the right option.