{"product_id":"kogel-kolossos-speed-shimano-dura-ace-ultegra-11-12-speed-rd-black","title":"Kogel Kolossos Speed Shimano Dura-Ace\/Ultegra 11\/12-Speed RD Black","description":"\u003cp data-end=\"374\" data-start=\"0\"\u003eSpeed is everything. The latest Kogel Speed Kolossos for Shimano 12-speed Dura-Ace and Ultegra is developed to deliver the perfect combination of aerodynamics, drivetrain efficiency, and long-lasting performance. Built for riders chasing every possible advantage, this is the fastest Kolossos system yet, engineered to reduce drag, save watts, and optimise power transfer.\u003c\/p\u003e\n\u003cp data-end=\"713\" data-start=\"376\"\u003eWith its streamlined, race-focused design, the Speed Kolossos enhances aerodynamic performance while preserving the precise and reliable shifting Shimano drivetrains are known for. The precision-machined cage paired with oversized ceramic pulleys minimises friction, helping ensure more of your effort is converted directly into speed.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"916\" data-start=\"715\"\u003eFor riders seeking an extra competitive advantage, the Speed Kolossos for Shimano 12-speed delivers smoother operation, improved efficiency, and race-ready performance where every marginal gain counts.\u003c\/p\u003e\n\u003ch5 data-end=\"916\" data-start=\"715\"\u003eKEY FEATURES\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eStiffer \u0026amp; More Aero: A refined shape inspired by our Aero Kolossos keeps things sleek and integrates perfectly with today’s modern road and gravel bikes.\u003c\/li\u003e\n\u003cli\u003eLarger 20-Tooth Lower Pulley: Bigger means lower friction, which means more speed. This is one of the biggest upgrades, improving chain efficiency and overall drivetrain smoothness.\u003c\/li\u003e\n\u003cli\u003e12T Upper pulley\u003c\/li\u003e\n\u003cli\u003eNear universal road \u0026amp; gravel derailleur compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eShimano 12sp Dura-Ace and Ultegra derailleurs.  Backwards compatible with Shimano 11sp Dura-Ace and Ultegra derailleurs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KOGEL","offers":[{"title":"Default Title","offer_id":45066142613574,"sku":"K-KOL-SPEED-R9200-R","price":437.99,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/3081\/4790\/files\/28570_ykpj1Q_original.jpg?v=1779332363","url":"https:\/\/crooze.com.au\/products\/kogel-kolossos-speed-shimano-dura-ace-ultegra-11-12-speed-rd-black","provider":"Crooze","version":"1.0","type":"link"}