{"product_id":"shimano-st-r8170-di2-road-shifters-with-bled-hydraulic-disc-flat-mount-caliper-set","title":"Shimano ST-R8170 Di2 Road Shifters with Bled Hydraulic Disc \u0026 Flat Mount Caliper Set","description":"\u003cp\u003eExperience the pinnacle of road cycling control with the Shimano Road Shifters - ST-R8170. Designed for performance and precision, these wireless hydraulic disc brake Di2 STI levers combine effortless shifting with powerful stopping capability. The integration of Servo Wave technology ensures smooth modulation and reliable braking power, especially from the hood position, enhancing your confidence across all terrains and weather conditions. Lightweight and ergonomically designed, these shifters offer a familiar feel with buttons positioned similarly to traditional mechanical STIs, making the transition seamless for riders of all levels.\u003c\/p\u003e\n\n\u003cp\u003eThe Di2 E-tube system delivers instantaneous and precise gear changes at the touch of a button, reducing fatigue and allowing you to maintain focus on the road. With programmable full and semi-synchronized shifting, you can customize your gear transitions to suit your riding style, whether you prefer automatic rear derailleur adjustments or manual control. The hydraulic reservoir tank automatically compensates for pad wear, ensuring consistent braking performance without manual adjustments. Long-lasting CR1632 batteries power the system, providing up to two years of reliable use before replacement is needed.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding precise and effortless electronic shifting with Di2 technology\u003c\/li\u003e\n  \u003cli\u003eDelivering powerful and modulated braking through hydraulic Servo Wave levers\u003c\/li\u003e\n  \u003cli\u003eOffering customizable shifting programs with full and semi-synchronized modes\u003c\/li\u003e\n  \u003cli\u003eEnsuring reliable wireless connectivity to front and rear derailleurs for seamless operation\u003c\/li\u003e\n  \u003cli\u003eEnhancing rider comfort and control with ergonomically placed shift buttons and adjustable lever reach\u003c\/li\u003e\n  \u003cli\u003eMaintaining consistent brake performance with an auto-adjusting hydraulic reservoir\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 mechanical brake systems or non-Di2 drivetrains\u003c\/li\u003e\n  \u003cli\u003eApplications requiring disc brake rotors or adapters, which are not included\u003c\/li\u003e\n  \u003cli\u003eRiders seeking analog or cable-actuated shifting solutions\u003c\/li\u003e\n  \u003cli\u003eCompatibility with flat handlebars, as this set is designed specifically for drop bars\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shifter set compatible with all Shimano Di2 road groupsets?\u003c\/strong\u003e\u003cbr\u003eYes, the ST-R8170 set is designed to integrate seamlessly with Shimano’s Ultegra Di2 groupsets, providing full electronic shifting control and hydraulic braking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include brake rotors and adapters?\u003c\/strong\u003e\u003cbr\u003eNo, the kit includes bled ST-R8170 STI levers, BR-R8170 flat mount brake calipers with pads, hoses, and mineral oil, but rotors and adapters are sold separately.\u003c\/p\u003e","brand":"Shimano Ultegra","offers":[{"title":"Left \/ Black","offer_id":45809504420015,"sku":"R8170DLR","price":443.87,"currency_code":"GBP","in_stock":true},{"title":"Right \/ Black","offer_id":45809504452783,"sku":"R8170DRF","price":443.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/r8170dlr.jpg?v=1768530766","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-st-r8170-di2-road-shifters-with-bled-hydraulic-disc-flat-mount-caliper-set","provider":"Swinnerton Cycles","version":"1.0","type":"link"}