{"product_id":"shimano-dura-ace-st-r9250-dura-ace-di2-sti-for-drop-bar-without-e-tube-wires","title":"Shimano Dura-Ace ST-R9250 Di2 STI Lever Set for Drop Bar Wired Systems","description":"\u003cp\u003eThe \u003cstrong\u003eShimano Dura-Ace ST-R9250 Dura-Ace Di2 STI\u003c\/strong\u003e lever set redefines precision and comfort for drop bar cyclists. Featuring advanced Di2 electronic shifting technology, it offers effortless gear changes with just a gentle touch, ensuring instant and accurate front and rear derailleur response. The tactile buttons provide smooth and reliable shifting even in cold conditions, making every ride seamless and enjoyable.\u003c\/p\u003e\n\n\u003cp\u003eConstructed with lightweight materials such as carbon fibre lever blades, a carbon composite bracket body, and a titanium clamp band, these STI levers balance durability with performance. The design retains familiar mechanical Shimano STI button positions, allowing riders to adapt quickly. The Servo Wave brake lever pivot, optimized for Super SLR brake calipers, enhances braking power and comfort, especially when riding on the hoods.\u003c\/p\u003e\n\n\u003cp\u003eAdjustable reach settings enable a personalized fit for all hand sizes, enhancing control and confidence. Designed for wired connection with SD300 series wires, this component integrates perfectly into your Shimano Dura-Ace Di2 groupset, elevating your bike’s transmission and braking performance. Explore other \u003ca href=\"\/collections\/shimano-dura-ace-components\"\u003eShimano Dura-Ace components\u003c\/a\u003e and upgrade your ride effortlessly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise and effortless electronic shifting with Di2 technology\u003c\/li\u003e\n  \u003cli\u003eComfortable gear changes even in cold weather thanks to tactile buttons\u003c\/li\u003e\n  \u003cli\u003eLightweight and durable construction with carbon fibre and titanium\u003c\/li\u003e\n  \u003cli\u003eEnhanced braking power with Servo Wave brake lever design\u003c\/li\u003e\n  \u003cli\u003eCustomizable reach adjusters for optimal ergonomics\u003c\/li\u003e\n  \u003cli\u003eSeamless integration with Shimano Dura-Ace Di2 wired systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with non-Di2 or wireless electronic shifting systems\u003c\/li\u003e\n  \u003cli\u003eCompatibility with mechanical STI setups without proper wiring\u003c\/li\u003e\n  \u003cli\u003eInstallation on bicycles without drop bars\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this STI lever set work with wireless Di2 systems?\u003c\/strong\u003e\u003cbr\u003eThis model is designed for wired Di2 systems and does not support wireless E-tube connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I adjust the lever reach to fit smaller hands?\u003c\/strong\u003e\u003cbr\u003eYes, the reach adjusters allow fine tuning to ensure comfortable handling for all hand sizes.\u003c\/p\u003e","brand":"Shimano Dura-Ace","offers":[{"title":"Black \/ Double \/ Left","offer_id":47380207141039,"sku":"STR9250L","price":349.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 12-Speed \/ Right","offer_id":47380207173807,"sku":"STR9250R","price":349.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/str9250l.jpg?v=1787136150","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-dura-ace-st-r9250-dura-ace-di2-sti-for-drop-bar-without-e-tube-wires","provider":"Swinnerton Cycles","version":"1.0","type":"link"}