{"product_id":"shimano-ultegra-di2-r8100-groupset","title":"Shimano Ultegra Di2 R8100 Groupset","description":"\u003cdiv class=\"udc-full\"\u003e\n\u003carticle class=\"prod-intro\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\u003cmeta itemprop=\"name\" content=\"Shimano Ultegra Di2 R8100 Groupset\"\u003e\n\u003cdiv class=\"udc-schema\" style=\"display: none;\"\u003e\n\u003cdiv itemprop=\"brand\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Brand\"\u003e\n\u003cmeta itemprop=\"name\" content=\"Shimano\"\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cmeta itemprop=\"category\" content=\"Bicycle groupset\"\u003e\n\u003cdiv itemprop=\"additionalProperty\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/PropertyValue\"\u003e\n\u003cmeta itemprop=\"name\" content=\"Series\"\u003e \u003cmeta itemprop=\"value\" content=\"Ultegra R8100\"\u003e\n\u003c\/div\u003e\n\u003cdiv itemprop=\"additionalProperty\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/PropertyValue\"\u003e\n\u003cmeta itemprop=\"name\" content=\"Speed\"\u003e \u003cmeta itemprop=\"value\" content=\"12-speed\"\u003e\n\u003c\/div\u003e\n\u003cdiv itemprop=\"additionalProperty\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/PropertyValue\"\u003e\n\u003cmeta itemprop=\"name\" content=\"Shifting\"\u003e \u003cmeta itemprop=\"value\" content=\"Di2 electronic\"\u003e\n\u003c\/div\u003e\n\u003cdiv itemprop=\"additionalProperty\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/PropertyValue\"\u003e\n\u003cmeta itemprop=\"name\" content=\"Brake options\"\u003e \u003cmeta itemprop=\"value\" content=\"Hydraulic disc (ST-R8170) or rim (ST-R8150)\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"section-title center\"\u003eShimano Ultegra Di2 R8100 Groupset\u003c\/h2\u003e\n\u003cp\u003eShimano's race-quality Ultegra R8100 12-speed Di2 groupset brings flagship Dura-Ace technology to a more attainable tier — semi-wireless electronic shifting, refined hydraulic disc braking, and the wide, consistent gearing modern road bikes are built around.\u003c\/p\u003e\n\u003cp\u003eConfigured to suit your bike: choose your chainrings, crank length, cassette ratio and rotor size, and specify disc or rim brakes.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003csection class=\"features-benefits-grid\"\u003e\n\u003ch2 class=\"section-title center\"\u003eWhy Riders Choose the Ultegra Di2 R8100\u003c\/h2\u003e\n\u003cul class=\"features-benefits-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-quality Ultegra:\u003c\/strong\u003e flagship Dura-Ace performance one tier down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-speed Di2:\u003c\/strong\u003e fast, precise, low-maintenance electronic shifting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc:\u003c\/strong\u003e ST-R8170 hydraulic disc, \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide gearing:\u003c\/strong\u003e 11-30 or 11-34 cassette for road and climbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade to fit:\u003c\/strong\u003e choice of chainrings and crank lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Lock rotors:\u003c\/strong\u003e RT-CL900, 160 mm or 140 mm (disc builds).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"udc-more-info\"\u003e\n\u003ch2\u003eGroupset Contains\u003c\/h2\u003e\n\u003ctable class=\"udc-spec-table\" style=\"width: 100%; border-collapse: collapse; margin: 16px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eChainset\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eFC-R8100 — choice of rings and crank lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eCassette\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eCS-R8100-12 — 12-speed, 11-30 or 11-34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eChain\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eCN-M8100 — 12-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eFront derailleur\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eFD-R8150 Di2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eRear derailleur\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eRD-R8150 Di2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eShifters \/ brake levers\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eST-R8170 hydraulic disc with Di2 shifting, or ST-R8150 rim with Di2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eRotors\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eRT-CL900 Center Lock, 160 mm or 140 mm (disc only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eCalipers\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eBR-R8170 (disc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eDi2 parts\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eBattery, charging cable and two Di2 cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"udc-geo-note\"\u003eChainring sizes, crank lengths, cassette ratio and rotor size are selected at the options above. Bottom bracket is supplied to suit your frame — tell us your bike model.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"udc-faq\"\u003e\n\u003ch2 id=\"faq-title\" class=\"udc-faq-title\"\u003eUltegra Di2 R8100 — FAQ\u003c\/h2\u003e\n\u003cdiv class=\"udc-faq-box\"\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\n\u003csummary class=\"udc-faq-q\"\u003eIs the shifting wireless?\u003c\/summary\u003e\n\u003cdiv class=\"udc-faq-a\"\u003e\n\u003cp\u003eUltegra R8100 Di2 is semi-wireless: the shifters communicate wirelessly, while the derailleurs run from a central battery. Shifting is fast, precise and low-maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\n\u003csummary class=\"udc-faq-q\"\u003eHow fast does it ship?\u003c\/summary\u003e\n\u003cdiv class=\"udc-faq-a\"\u003e\n\u003cp\u003eOrders ship once processing is complete and a tracking number is generated. Delivery time depends on destination. For an ETA, message us with your location and the exact configuration you’re considering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\n\u003csummary class=\"udc-faq-q\"\u003eDo prices include duties and taxes?\u003c\/summary\u003e\n\u003cdiv class=\"udc-faq-a\"\u003e\n\u003cp\u003eShipping and duty handling vary by destination. If DDP is offered for your destination, duties and import handling are included at checkout for eligible orders. If DDP is not available, duties and taxes may be collected by the carrier or local customs authority.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\n\u003csummary class=\"udc-faq-q\"\u003eWhat is the warranty?\u003c\/summary\u003e\n\u003cdiv class=\"udc-faq-a\"\u003e\n\u003cp\u003eWarranty terms are provided by Shimano. If an issue occurs, Underdogs Cycling will guide you through the claims process and coordinate with the manufacturer where applicable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\u003ch2\u003eMore Information\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 16px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eBRAND\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eSHIMANO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eSERIES\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eULTEGRA R8100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eCOMPONENT\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eGROUPSET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eSPEED\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003e12-SPEED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eSHIFTING\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eDI2 ELECTRONIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eBRAKE OPTIONS\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eHYDRAULIC DISC \/ RIM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; white-space: nowrap; padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eDISCIPLINE\u003c\/th\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee;\"\u003eROAD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":51670382707003,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/Ultegra.png?v=1788975238","url":"https:\/\/underdogscycling.cc\/products\/shimano-ultegra-di2-r8100-groupset","provider":"Underdogs Cycling","version":"1.0","type":"link"}