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Campagnolo's 12 speed Chorus Ultra-Torque crankset is compatible with disc and rim brake groupsets. The new Chorus crankseset is directly molded of unidirectional carbon fiber without any surface finish coating, combined with an Ultra-Torque steel axle like the Record crankset. The Chorus 12s cranks also have new bolt circle diameters, giving it an extremely solid structure, allowing a wider variety of ratios and potential uses. The new smaller bolt circles on the Chorus crankset make it compatible with 52/36, 50/34 and the new 48/32 ratio chainrings.
Available in 165mm, 170mm, 172.5mm and 175mm crank lengths.
Technologies: Ultra-Torque axle with Hirth coupling system.
Features and Benefits: The Q Factor remains the same (145.5): The widths and biodynamics of the stroke are the same.
Unidirectional carbon fiber cranks, steel axle and surface treated aluminum alloy chainrings: provide optimal stiffness and power transmission.
Symmetrical teeth on the internal chainring: Fluid, precise transmission, even with extreme cross-chaining.
Optimized design for any chainring combination: Maximum performance on all terrain.
Double Fixing: Assembly of the large chainring onto the crank is secured with 123mm BCD bolts, while the inner chainring is attached to the outer with 96mm BCD bolts.
Surface treatment of the chainrings for longer life
Weight - 728g for 172.5mm 48/32 option.
Collections: Campagnolo Cranksets Drivetrain
Category: Road