{"product_id":"shimano-ultegra-st-r8170-hydraulic-di2-wireless-road-drop-bar-shifters-without-e-tube-wires","title":"Shimano Ultegra ST-R8170 Hydraulic Di2 Wireless Road Drop Bar Shifters Without E-Tube Wires","description":"\u003cp\u003eThe Shimano St-R8170 Ultegra Hydraulic Di2 STI for Drop Bar offers advanced performance and precision for serious road cyclists. Designed with wireless hydraulic Servo Wave disc brakes, it delivers powerful and controlled braking with minimal effort, enhancing safety and confidence in all conditions. The Di2 electronic shifting system ensures effortless, accurate gear changes at the touch of a button, making your ride smoother and more efficient.\u003c\/p\u003e\n\n\u003cp\u003eThanks to wireless connectivity with the front and rear derailleurs, gear shifts are seamless and reliable, eliminating cable clutter and mechanical issues. The shift buttons are ergonomically placed, closely mimicking traditional Shimano mechanical STI positions, which provides an intuitive feel for experienced riders. The hydraulic brake levers are finely adjustable, allowing a personalized fit for every hand size, while the automatic pad-to-rotor clearance adjustment maintains consistent braking performance.\u003c\/p\u003e\n\n\u003cp\u003eProgrammable full and semi-synchronized shifting allows you to customize how the front and rear derailleurs work together, optimizing gear ratios based on your riding style. The long-lasting CR1632 batteries power the levers for up to two years, ensuring extended use without frequent replacements. With the Shimano Ultegra St-R8170, you get cutting-edge technology combined with ergonomic design to elevate your road cycling experience.\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 for smooth gear changes\u003c\/li\u003e\n  \u003cli\u003eDelivering powerful, modulated braking with hydraulic Servo Wave technology\u003c\/li\u003e\n  \u003cli\u003eOffering wireless connectivity for a clean setup and reliable performance\u003c\/li\u003e\n  \u003cli\u003eCustomizing shifting behavior with programmable full and semi-synchronized modes\u003c\/li\u003e\n  \u003cli\u003eEnsuring comfort with adjustable lever reach for all hand sizes\u003c\/li\u003e\n  \u003cli\u003eMaintaining consistent brake performance through automatic pad clearance adjustment\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 on bikes without compatible Di2 electronic drivetrain systems\u003c\/li\u003e\n  \u003cli\u003eRiders looking for mechanical cable-shift setups instead of electronic shifting\u003c\/li\u003e\n  \u003cli\u003eThose requiring brake levers designed for flat bars or non-drop handlebars\u003c\/li\u003e\n  \u003cli\u003eApplications outside of road cycling where hydraulic disc brakes are unsupported\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shifter compatible with all Shimano Di2 systems?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for Shimano Ultegra R8170 Di2 systems and may not be compatible with older or other series Di2 groupsets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with E-Tube wires included?\u003c\/strong\u003e\u003cbr\u003eNo, this version does not include E-Tube wires; it relies on wireless connectivity for shifting.\u003c\/p\u003e","brand":"Shimano Ultegra","offers":[{"title":"Right - 12 Speed","offer_id":45499370864815,"sku":"STR8170R","price":340.45,"currency_code":"GBP","in_stock":false},{"title":"Left - Double","offer_id":45499370897583,"sku":"STR8170L","price":340.45,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1630566049-62625600.jpg?v=1768525731","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-ultegra-st-r8170-hydraulic-di2-wireless-road-drop-bar-shifters-without-e-tube-wires","provider":"Swinnerton Cycles","version":"1.0","type":"link"}