Dura Ace 54 tooth gearbox for FC-R9200 ( 12 speed ) cranksets. It is designed for 54/40 tooth gear combination. Hollowglide gear structure reduces weight and maintains strength for better power transfer and more precise shifting.
Type: ROAD, Total package weight: 207g, Number of teeth on derailleur: 54, Gears: 12 speed, For gear combination: 54/40, Number of gears: 2x12, Gear spacing: 110mm, black
SCIENCE OF SPEED
Years of our work bring you seconds. Speed is the driving force behind the new generation of road groupsets. Shimano's designers have perfected all components and features to deliver superior riding enjoyment, whether you're sprinting to the finish line on the Champs-Élysées or climbing a nearby hill.
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