| | |  | Scales & Measuring Tools | Home » » » » Shimano FC-Dura-Ace 53/39 172.5mm Crankset | | | | | | Colors: | | | | | Description: | | Lighter, more rigid crankarms with Hollowtech II technology provide better power transfer and acceleration Integrated crankarm and bottom bracket increases rigidity while remaining lightweight Smoother rolling interface for better performance SG-X chainrings deliver super smooth front shifting and use special tooth profiles, pick-up spikes and ramps to help make the front derailleur shifts quiet, easy and trouble-free Outboard bearing design offers more stability and is easy to install, adjust and maintain DUAL SIS compatible Bottom Bracket not included Features: Weight: 740 grams. Weight includes integrated BB. Compatibility: Shimano 10 speed drivetrains | | | Features: | |
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