{"product_id":"shimano-r8170-groupset","title":"Shimano Ultegra R8170 Di2 12-Speed Groupset","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eShimano Ultegra R8170 Di2 12-Speed Groupset – Elite Performance, Intelligent Value\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eExperience the pinnacle of shifting and braking without the pinnacle price tag. The Shimano Ultegra R8170 Di2 groupset directly inherits the groundbreaking technology of the flagship Dura-Ace series, delivering performance that is, to all intents and purposes, indistinguishable from the best. It’s the definitive choice for riders who demand flawless wireless electronic shifting, powerful braking, and proven reliability, all in a package that’s built for real-world racing. The performance gap to the top has been closed; the choice is now simply intelligent value\u003c\/span\u003e\u003ca href=\"https:\/\/road.cc\/content\/review\/shimano-ultegra-r8170-di2-disc-groupset-292895?amp\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFlawless, Faster Di2 Shifting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The semi-wireless Di2 system provides the fastest, most precise gear changes Shimano has ever made. Thanks to new motor and circuit technology, rear shifts are up to 58% faster and front shifts 45% faster than the previous generation, matching Dura-Ace speed\u003c\/span\u003e\u003ca href=\"https:\/\/www.velostrive.co.uk\/cycle\/400013201\/Shimano-Ultegra-Disc-R8170-12-Speed-Groupset\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Hyperglide+ tooth profiling ensures seamless shifts even under maximum power load\u003c\/span\u003e\u003ca href=\"https:\/\/www.trainsharpcycling.co.uk\/collections\/best-selling-products\/products\/shimano-ultegra-r8170-di2-disc-groupset\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eUnmatched, Silent Braking:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Redesigned flat-mount calipers offer increased pad-to-rotor clearance, virtually eliminating the annoying rub in wet or gritty conditions\u003c\/span\u003e\u003ca href=\"https:\/\/www.sigmasports.com\/item\/Shimano\/Ultegra-R8170-Di2-Disc-Groupset\/10GPZ?awc=25809_1739651757_86762860f373782fb863c1869c948eb9\u0026amp;sv1=affiliate\u0026amp;sv_campaign_id=483885\u0026amp;utm_campaign=https%3a%2f%2fwww.youtube.com%2fchannel%2fUC08mbQ8UIX8DXSBFB\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. With updated Servo Wave lever ergonomics, pad engagement is quicker and more progressive, providing immense stopping power with superb modulation. A fix for heat-induced noise means you enjoy a blissful silence on long descents\u003c\/span\u003e\u003ca href=\"https:\/\/road.cc\/content\/review\/shimano-ultegra-r8170-di2-disc-groupset-292895?amp\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eClean, Wireless Cockpit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A completely wireless connection between the shift levers and derailleurs declutters your cockpit, simplifies installation, and improves aerodynamics\u003c\/span\u003e\u003ca href=\"https:\/\/www.trainsharpcycling.co.uk\/collections\/best-selling-products\/products\/shimano-ultegra-r8170-di2-disc-groupset\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. The internal battery mounts discreetly in your seatpost, and the charging port is now integrated into the rear derailleur, eliminating the need for messy junction boxes\u003c\/span\u003e\u003ca href=\"https:\/\/www.sigmasports.com\/item\/Shimano\/Ultegra-R8170-Di2-Disc-Groupset\/10GPZ?awc=25809_1739651757_86762860f373782fb863c1869c948eb9\u0026amp;sv1=affiliate\u0026amp;sv_campaign_id=483885\u0026amp;utm_campaign=https%3a%2f%2fwww.youtube.com%2fchannel%2fUC08mbQ8UIX8DXSBFB\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eIntelligent Integration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The compact Shadow rear derailleur houses the wireless unit, charging port, and a multifunction button\/LED for checking battery status and shifting mode\u003c\/span\u003e\u003ca href=\"https:\/\/www.trainsharpcycling.co.uk\/collections\/best-selling-products\/products\/shimano-ultegra-r8170-di2-disc-groupset\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Long-lasting CR1632 coin cell batteries in the shifters offer 1.5 to 2 years of hassle-free use\u003c\/span\u003e\u003ca href=\"https:\/\/www.sigmasports.com\/item\/Shimano\/Ultegra-R8170-Di2-Disc-Groupset\/10GPZ?awc=25809_1739651757_86762860f373782fb863c1869c948eb9\u0026amp;sv1=affiliate\u0026amp;sv_campaign_id=483885\u0026amp;utm_campaign=https%3a%2f%2fwww.youtube.com%2fchannel%2fUC08mbQ8UIX8DXSBFB\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eSmooth, Wide-Range Drivetrain:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The addition of a 12th sprocket creates smoother gear progression, while a single, versatile rear derailleur cage handles cassettes with 28-34T low sprockets\u003c\/span\u003e\u003ca href=\"https:\/\/www.veloadventurers.com\/product\/shimano-ultegra-disc-r8170-di2-12-speed-groupset-114996\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.velostrive.co.uk\/cycle\/400013201\/Shimano-Ultegra-Disc-R8170-12-Speed-Groupset\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. This allows you to conquer any gradient without sacrificing close-ratio shifting on the flat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eComponent\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eGroupset Model\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShimano Ultegra R8170 Di2 12-Speed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eShift\/Brake Levers\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eST-R8170, Dual Control, Wireless Di2, Servo Wave\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eShifter Power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2x CR1632 coin cell batteries (1.5-2 year life)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eShift\/Brake Levers Weight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 391 g (pair)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFront Derailleur\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFD-R8150, Braze-on, Di2 E-Tube\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eRear Derailleur\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRD-R8150, Shadow Design, 12-Speed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eRear Derailleur Weight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e262 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eChainset\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFC-R8100, Hollowtech II, 12-Speed Double\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCassette\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShimano CS-R7100 105 12-Speed (11-34T), HG compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCassette Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e11-34T (other options available)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eChain\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShimano CN-M7100 12-Speed with Quick-Link (126 links)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrake Calipers\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFlat Mount, Hydraulic Disc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrake Rotors\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShimano RT-CL800 Ice-Tech FREEZA, 160mm, Center-Lock\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDi2 Battery\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBT-DN300, Internal Mount, 3-Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eSystem Weight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 2,710 - 2,716 g (complete groupset)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCrank Lengths Available\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e160, 165, 170, 172.5, 175 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eChainring Options\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e52\/36T, 50\/34T\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElectronic only, 12-speed, Disc Brake, T47\/BSA\/BB86 options\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e*\u003cspan\u003eNote: E-Tube wires (SD300) and bottom bracket are not included in the groupset box\u003c\/span\u003e\u003ca href=\"https:\/\/www.trainsharpcycling.co.uk\/collections\/best-selling-products\/products\/shimano-ultegra-r8170-di2-disc-groupset\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Please select required wiring lengths and bottom bracket type based on your frame.\u003c\/span\u003e*\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included in the Box (In the Box)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano Ultegra Di2 ST-R8170 Hydraulic Disc Brake\/Shift Levers (Left \u0026amp; Right)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano Ultegra Di2 FD-R8150 Front Derailleur (Braze-on)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano Ultegra Di2 RD-R8150 Rear Derailleur\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano Ultegra FC-R8100 12-Speed Double Chainset (configurable)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano CS-R8100 105 12-Speed Cassette (11-34T\/11-30T)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano  CN-M8100 12-Speed Quick-Link Chain (116L)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano RT-CL800 Ice-Tech FREEZA Disc Rotors (2x 160mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano Di2 BT-DN300 Internal Battery (3 Port)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eShimano EW-EC300 Battery Charging Cable (1700mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePrice:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ¥XXX \/ $XXX (Frameset not included. Please configure your required chainset and cassette options.)\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan\u003eYour performance upgrade path is clear. Click \"Add to Cart\" to build your ultimate race machine with Shimano R8170 Di2.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"WATTS LAB ","offers":[{"title":"160MM \/ 50\/34T \/ 11-30T","offer_id":53703351828844,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"160MM \/ 50\/34T \/ 11-34T","offer_id":53703351861612,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"160MM \/ 52\/36 \/ 11-30T","offer_id":53703351894380,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"160MM \/ 52\/36 \/ 11-34T","offer_id":53703351927148,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"165MM \/ 50\/34T \/ 11-30T","offer_id":53703351959916,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"165MM \/ 50\/34T \/ 11-34T","offer_id":53703351992684,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"165MM \/ 52\/36 \/ 11-30T","offer_id":53703352025452,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"165MM \/ 52\/36 \/ 11-34T","offer_id":53703352058220,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"170MM \/ 50\/34T \/ 11-30T","offer_id":53703352090988,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"170MM \/ 50\/34T \/ 11-34T","offer_id":53703352123756,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"170MM \/ 52\/36 \/ 11-30T","offer_id":53703352156524,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true},{"title":"170MM \/ 52\/36 \/ 11-34T","offer_id":53703352189292,"sku":null,"price":9620.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/6210\/6988\/files\/ShimanoUltegraR8170Di2DiscGroupset-12Speed.jpg?v=1777950111","url":"https:\/\/watts-lab.myshopify.com\/products\/shimano-r8170-groupset","provider":"WATTS LAB ","version":"1.0","type":"link"}