{"product_id":"shimano-ultegra-di2-12-speed-groupset","title":"Shimano Ultegra 12 Speed Di2 Wireless R8170 52\/36 160mm 11-30T Groupset","description":"\u003cp\u003eThe Shimano Ultegra R8100 Di2 groupset delivers pro-level performance in a refined, race-ready package built for serious road riders. Featuring Shimano’s latest 12-speed electronic shifting, it offers fast, precise gear changes with a semi-wireless cockpit for a clean, modern setup. The redesigned ergonomics improve comfort and control, while the updated braking system provides excellent modulation and confidence in all conditions. Borrowing key technology from Dura-Ace, Ultegra Di2 R8100 stands as a true top-tier groupset—combining elite-level performance, reliability, and efficiency for riders who demand the best.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGroupset includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"98x875\" data-start=\"47\" data-end=\"130\"\u003eShimano Ultegra Di2 ST-R8170 STI Shifters with Hydraulic Calipers (Left – Rear)\u003c\/li\u003e\n\u003cli data-section-id=\"14p9avz\" data-start=\"131\" data-end=\"216\"\u003eShimano Ultegra Di2 ST-R8170 STI Shifters with Hydraulic Calipers (Right – Front)\u003c\/li\u003e\n\u003cli data-section-id=\"1u9m9r8\" data-start=\"217\" data-end=\"276\"\u003eShimano Ultegra Di2 RD-R8150 Rear Derailleur (12-Speed)\u003c\/li\u003e\n\u003cli data-section-id=\"1rjezqz\" data-start=\"277\" data-end=\"347\"\u003eShimano Ultegra Di2 FD-R8150 Front Derailleur (Braze-On, 12-Speed)\u003c\/li\u003e\n\u003cli data-section-id=\"16u6jst\" data-start=\"348\" data-end=\"400\"\u003eShimano Ultegra FC-R8100 Crankset (160mm, 52\/36)\u003c\/li\u003e\n\u003cli data-section-id=\"ki9dpz\" data-start=\"401\" data-end=\"436\"\u003eShimano CN-M8100 12-Speed Chain\u003c\/li\u003e\n\u003cli data-section-id=\"61bsea\" data-start=\"437\" data-end=\"492\"\u003eShimano Ultegra CS-R8101 12-Speed Cassette (11–30T)\u003c\/li\u003e\n\u003cli data-section-id=\"bprl2x\" data-start=\"493\" data-end=\"539\"\u003eShimano BT-DN300 Internal Battery (3-Port)\u003c\/li\u003e\n\u003cli data-section-id=\"13rb9w0\" data-start=\"540\" data-end=\"583\"\u003eShimano EW-EC300 Di2 USB Charging Cable\u003c\/li\u003e\n\u003cli data-section-id=\"hjaa8r\" data-start=\"584\" data-end=\"631\"\u003eShimano EW-SD300 Di2 Electric Wire (1200mm)\u003c\/li\u003e\n\u003cli data-section-id=\"1tlvhfk\" data-start=\"632\" data-end=\"678\"\u003eShimano EW-SD300 Di2 Electric Wire (800mm)\u003c\/li\u003e\n\u003cli data-section-id=\"14qjhca\" data-start=\"679\" data-end=\"737\"\u003eShimano Ultegra RT-CL800 CentreLock Disc Rotor (140mm)\u003c\/li\u003e\n\u003cli data-section-id=\"1wz3nuw\" data-start=\"738\" data-end=\"796\"\u003eShimano Ultegra RT-CL800 CentreLock Disc Rotor (160mm)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":51987494732007,"sku":"55461","price":3399.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0189\/0448\/1892\/files\/Untitleddesign_19_4ffe94d5-df5e-4758-8ca7-35e4b2c4c986.webp?v=1776378676","url":"https:\/\/rouleurcycles.co.nz\/products\/shimano-ultegra-di2-12-speed-groupset","provider":"Rouleur Cycles","version":"1.0","type":"link"}