Shimano Dura-Ace FC-R9200 54/40T 172.5 Mm Crankset

The Shimano Dura Ace FC-R9200 cranks do are designed to convert pedaling power into propulsion for extremely fast and precise gear changes.

This is contributed not only by the lightweight crank arms manufactured with Hollowtech II technology, but also by the uniquely designed chainrings engineered with Hollowglide construction, ensuring a quick and smooth shifting process. The result is responsive acceleration from any speed that puts the 2×12 crankset at its absolute pinnacle.

Specifications:

• Optimal stiffness, strength, weight, and rotational performance balance
• Crank Arm Length : 172.5
• The HOLLOWGLIDE construction reduces weight while maintaining strength for improved power transmission and faster, more precise front shifting
• 12-speed shifting system
• Chain Line: 44.5mm
• Chainring spacing: 54-40 teeth Chainring bolts
• Compatible  Shimano CN-M9100 12-speed, CN-M8100 12-speed Rider
• Crankshaft is made up of Steel for increased longevity