{"product_id":"shimano-ultegra-di2-st-r8170-br-r8170-2-speed-disc-brake-front","title":"SHIMANO ULTEGRA Di2 ST-R8170 + BR-R8170 2-SPEED DISC BRAKE FRONT","description":"\u003ch3\u003eThe redesigned Shimano Ultegra Di2 ST-R8170 brake levers with BR-R8170 caliper deliver enhanced ergonomics and superior brake modulation through SHIMANO's proven SERVO WAVE technology.\u003c\/h3\u003e\n\u003cp\u003eWireless electronic shifting puts precise control at your fingertips, enabling seamless gear changes and confident braking in any riding condition. Built for performance and reliability on any terrain.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFASTEST AND MOST RELIABLE SWITCHING OPERATIONS EVER\u003c\/li\u003e\n\u003cli\u003eImproved aerodynamics - Revised DUAL CONTROL shift\/brake levers with raised and rounded brake grips\u003c\/li\u003e\n\u003cli\u003eThe drive can be adjusted to the rider's preferences via the E-TUBE app\u003c\/li\u003e\n\u003cli\u003eAmong other things, the shift speed can be set, a fully or semi-synchronous shift mode can be selected and the programme buttons on the shift lever can be assigned certain functions\u003c\/li\u003e\n\u003cli\u003eWireless where it matters\u003c\/li\u003e\n\u003cli\u003eSHIMANO's in-house developed, extremely secure Di2 wireless chip scores with low interference probability, unrivalled processing speed and lower energy consumption\u003c\/li\u003e\n\u003cli\u003eFastest gear changes front and rear\u003c\/li\u003e\n\u003cli\u003eQuieter and more maintenance-friendly brake components\u003c\/li\u003e\n\u003cli\u003eExcellent brake control and heat dissipation\u003c\/li\u003e\n\u003cli\u003eSimple wheel replacement\u003c\/li\u003e\n\u003cli\u003eEasy and clean bleeding system\u003c\/li\u003e\n\u003cli\u003eHigh electronic energy efficiency\u003c\/li\u003e\n\u003cli\u003e1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse: \u003c\/strong\u003eRoad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup:\u003c\/strong\u003e Ultegra Di2 R8150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel: \u003c\/strong\u003eST-R8170-L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Dual-Control (STI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar mounting:\u003c\/strong\u003e left\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear front:\u003c\/strong\u003e 2-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical gear display:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever reach adjust:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar diameter:\u003c\/strong\u003e 23.8mm\/24.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake-type:\u003c\/strong\u003e Hydraulic Disc Brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake caliper:\u003c\/strong\u003e BR-R8170\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake mounting:\u003c\/strong\u003e Flat-Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake pads: \u003c\/strong\u003eL03A Resin with Fin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake hose:\u003c\/strong\u003e SM-BH90-JK-SSR front 1000mm (shortable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Way bleeding: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake fluid:\u003c\/strong\u003e Mineral oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended brake rotor:\u003c\/strong\u003e RT-MT800 (140mm\/160mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible electric wire:\u003c\/strong\u003e EW-SD300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-tube Project:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-tube port (pcs):\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-tube connector (pcs):\u003c\/strong\u003e 0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDi2 Wireless-Chip:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e CR1632 x 1\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody: \u003c\/strong\u003eCFRP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever:\u003c\/strong\u003e Carbon, painted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper:\u003c\/strong\u003e Aluminium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eColour\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries colour\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eContents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Shimano Ultegra Di2 ST-R8170 2-speed STI Dual Control left\u003c\/li\u003e\n\u003cli\u003e1 x Shimano Ultegra BR-R8170 Flat-Mount Disc Brake Caliper\u003c\/li\u003e\n\u003cli\u003e1 x Flat-Mount Adapter 140mm\/160mm\u003c\/li\u003e\n\u003cli\u003e1 x Brake Pads L03A-Resin with Fin\u003c\/li\u003e\n\u003cli\u003e1 x Brake Hose SM-BH90-JK-SSR 1000mm (shortable)\u003c\/li\u003e\n\u003cli\u003e2 x Screw for brake caliper\u003c\/li\u003e\n\u003cli\u003e1 x Tube Joint Kit\u003c\/li\u003e\n\u003cli\u003e1 x CR1632 Battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe brake hose SM-BH90-JK-SSR is with mineral oil filled and pre-mounted on the caliper BR-R8170\u003c\/p\u003e","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":56923479114103,"sku":"R8170DRF","price":414.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/2350\/2370\/files\/455017024105612.avif?v=1774261008","url":"https:\/\/www.allterraincycles.co.uk\/products\/shimano-ultegra-di2-st-r8170-br-r8170-2-speed-disc-brake-front","provider":"allterraincycles","version":"1.0","type":"link"}