SHIMANO Crankset Dura Ace R9200 172.5mm 54/40 teeth 12-speed with power meter

Optimal balance of stiffness, strength, weight and rotational performance. HOLLOWGLIDE chainring structure reduces weight but maintains strength for better power transfer and faster, more precise shifting. Integrated, waterproof and rechargeable lithium-ion battery. Up to 300+ hours of riding depending on ANT+/Bluetooth®LE settings. Bi-directional power measurement with ± 1.5% accuracy. The software automatically compensates for temperature changes during measurement. With the SHIMANO CONNECT Lab app, you can easily view and analyze your training data.
Recommended bottom bracket: BB-R9100, SM-BB9241B
Technologies used: Hollowtech II, Hollowglide, Bluetooth, ANT+, E-tube

Type: ROAD, Total package weight: 14500g, Crank length: 172.5 mm, 12 speed, Number of teeth: 54/40 teeth, Hollowtech II, 68/70mm, black, without cover, Chainring material: glass-reinforced aluminum (upper), aluminum (lower), Chainring spacing: 110mm/110mm

SCIENCE OF SPEED
Years of our work bring you seconds. Speed is the driving force behind the new generation of road groupsets. Shimano engineers have refined all components and features to deliver the ultimate riding experience, whether you're sprinting to the finish line on the Champs-Élysées or climbing a nearby hill.