The Shimano Dura Ace FC-R9200-P crank arm set with a length of 172.5 mm impresses ambitious cyclists and professionals with maximum precision, exceptional lightness and outstanding stiffness. Specially developed for use with the integrated Shimano power meter, this crank arm set forms the basis for precise and reliable power measurements. The innovative Hollowtech II design ensures optimum power transmission while minimising weight. Thanks to the first-class processing of carbon composite materials and aluminium, you get maximum stability and durability. The slim, aerodynamic design complements the first-class functionality and makes the FC-R9200-P crank arm set the ideal choice for cyclists who want to optimise every detail of their equipment.