{"product_id":"shimano-dura-ace-crank-arm-set-r9100","title":"Shimano Dura-Ace Crank Arm Set R9100","description":"\u003cdiv\u003e\n  \u003cp\u003e\u003cstrong\u003eShimano Dura-Ace Crank Arm Set R9100\u003c\/strong\u003e delivers the refined performance and race-proven engineering that define Shimano’s top-tier road components. Designed as the foundation of a high-performance drivetrain, these crank arms bring stiffness, efficiency, and precision to every pedal stroke.\u003c\/p\u003e\n\n  \u003cp\u003eConstructed using Shimano’s Hollowtech II technology, the R9100 crank arms balance low weight with exceptional rigidity. The hollow forged aluminum structure maximizes power transfer under load while maintaining the smooth, responsive feel expected from Dura-Ace. Whether accelerating out of a corner or holding tempo on a long climb, the platform remains stable and efficient.\u003c\/p\u003e\n\n  \u003cp\u003eBuilt to integrate seamlessly with the Dura-Ace R9100 11-speed drivetrain, the crank arm set is engineered around Shimano’s optimized road chainline and bottom bracket system. The result is consistent front shifting performance and a clean, race-ready aesthetic that complements modern road frames.\u003c\/p\u003e\n\n  \u003ch3\u003eShimano Dura-Ace Crank Arm Set R9100 Highlights\u003c\/h3\u003e\n  \u003cul class=\"specs_at_a_glance\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHollowtech II Construction:\u003c\/strong\u003e Hollow forged aluminum arms for high stiffness and reduced weight.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRace-Tuned Stiffness:\u003c\/strong\u003e Efficient power transfer for sprinting and climbing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDura-Ace Integration:\u003c\/strong\u003e Designed for seamless compatibility with R9100 11-speed road drivetrains.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRefined Finish:\u003c\/strong\u003e Clean, understated styling that matches premium road builds.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFinal Take\u003c\/h3\u003e\n  \u003cp\u003eThe Shimano Dura-Ace Crank Arm Set R9100 is a precision-engineered upgrade for riders building or refreshing a top-tier road setup. Lightweight, stiff, and built to Shimano’s exacting standards, it provides the dependable performance demanded at the highest levels of the sport.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"170mm","offer_id":45308938846252,"sku":"DA9100CRANKARM170","price":359.0,"currency_code":"USD","in_stock":false},{"title":"177.5mm","offer_id":45308938879020,"sku":"DA9100CRANKARM177.5","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/shimano-dura-ace-crank-arm-set-r9100-3550790.jpg?v=1772622745","url":"https:\/\/ricycles.com\/products\/shimano-dura-ace-crank-arm-set-r9100","provider":"RA Cycles","version":"1.0","type":"link"}