{"product_id":"shimano-derailleur-ultegra-r8050f-rear-di2-12-speed","title":"Shimano Derailleur Ultegra R8050F Rear DI2 12 Speed","description":"\u003ch2 data-end=\"104\" data-section-id=\"1a65zp3\" data-start=\"90\"\u003eWhat Is It?\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"517\" data-start=\"105\"\u003eThe Shimano Ultegra RD-R8050 Di2 is an electronic rear derailleur from Shimano's Ultegra R8000-series groupset. It uses Di2 electronic shifting technology to deliver fast, accurate, and consistent gear changes with minimal maintenance. Featuring Shimano's Shadow RD low-profile design, it offers improved protection and a cleaner appearance compared to previous generations.\u003c\/p\u003e\r\n\r\n\u003ch2 data-end=\"534\" data-section-id=\"1ma7m6t\" data-start=\"519\"\u003eKey Features\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"966\" data-start=\"535\"\u003e\r\n\t\u003cli data-end=\"579\" data-section-id=\"10mv0q4\" data-start=\"535\"\u003eShimano Di2 electronic shifting technology\u003c\/li\u003e\r\n\t\u003cli data-end=\"618\" data-section-id=\"1hvy6mf\" data-start=\"580\"\u003eShimano Shadow RD low-profile design\u003c\/li\u003e\r\n\t\u003cli data-end=\"661\" data-section-id=\"1nb5yh0\" data-start=\"619\"\u003eFast, precise, and reliable gear changes\u003c\/li\u003e\r\n\t\u003cli data-end=\"696\" data-section-id=\"11pto7c\" data-start=\"662\"\u003eSynchronized Shift compatibility\u003c\/li\u003e\r\n\t\u003cli data-end=\"729\" data-section-id=\"1v91atl\" data-start=\"697\"\u003eE-Tube firmware update support\u003c\/li\u003e\r\n\t\u003cli data-end=\"790\" data-section-id=\"1hrsqi7\" data-start=\"730\"\u003eAvailable in Short Cage (SS) and Medium Cage (GS) versions\u003c\/li\u003e\r\n\t\u003cli data-end=\"816\" data-section-id=\"hl3aum\" data-start=\"791\"\u003eDirect mount compatible\u003c\/li\u003e\r\n\t\u003cli data-end=\"881\" data-section-id=\"1n77lxu\" data-start=\"817\"\u003eOptimized slant-angle design for improved shifting performance\u003c\/li\u003e\r\n\t\u003cli data-end=\"966\" data-section-id=\"1snealh\" data-start=\"882\"\u003eFluorine-coated link bushings for durability\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2 data-end=\"985\" data-section-id=\"1a3ueyz\" data-start=\"968\"\u003eSpecifications\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1504\" data-start=\"986\"\u003e\r\n\t\u003cli data-end=\"1006\" data-section-id=\"1eiz56e\" data-start=\"986\"\u003e\n\u003cstrong data-end=\"998\" data-start=\"988\"\u003eBrand:\u003c\/strong\u003e Shimano\u003c\/li\u003e\r\n\t\u003cli data-end=\"1038\" data-section-id=\"1s9bn3k\" data-start=\"1007\"\u003e\n\u003cstrong data-end=\"1020\" data-start=\"1009\"\u003eSeries:\u003c\/strong\u003e Ultegra R8000 Di2\u003c\/li\u003e\r\n\t\u003cli data-end=\"1060\" data-section-id=\"ltln89\" data-start=\"1039\"\u003e\n\u003cstrong data-end=\"1051\" data-start=\"1041\"\u003eModel:\u003c\/strong\u003e RD-R8050\u003c\/li\u003e\r\n\t\u003cli data-end=\"1099\" data-section-id=\"xn1cwl\" data-start=\"1061\"\u003e\n\u003cstrong data-end=\"1072\" data-start=\"1063\"\u003eType:\u003c\/strong\u003e Electronic Rear Derailleur\u003c\/li\u003e\r\n\t\u003cli data-end=\"1121\" data-section-id=\"1lmjrz\" data-start=\"1100\"\u003e\n\u003cstrong data-end=\"1112\" data-start=\"1102\"\u003eSpeed:\u003c\/strong\u003e 11-Speed\u003c\/li\u003e\r\n\t\u003cli data-end=\"1163\" data-section-id=\"18vpijt\" data-start=\"1122\"\u003e\n\u003cstrong data-end=\"1139\" data-start=\"1124\"\u003eTechnology:\u003c\/strong\u003e Di2 Electronic Shifting\u003c\/li\u003e\r\n\t\u003cli data-end=\"1195\" data-section-id=\"vhzzzj\" data-start=\"1164\"\u003e\n\u003cstrong data-end=\"1177\" data-start=\"1166\"\u003eDesign:\u003c\/strong\u003e Shimano Shadow RD\u003c\/li\u003e\r\n\t\u003cli data-end=\"1234\" data-section-id=\"1761utm\" data-start=\"1196\"\u003e\n\u003cstrong data-end=\"1215\" data-start=\"1198\"\u003eConnectivity:\u003c\/strong\u003e Wired Di2 (E-Tube)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1295\" data-section-id=\"1rujvzt\" data-start=\"1235\"\u003e\n\u003cstrong data-end=\"1254\" data-start=\"1237\"\u003eCage Options:\u003c\/strong\u003e\r\n\t\u003cul data-end=\"1295\" data-start=\"1257\"\u003e\r\n\t\t\u003cli data-end=\"1274\" data-section-id=\"ebfke3\" data-start=\"1257\"\u003eSS (Short Cage)\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1295\" data-section-id=\"1bwle80\" data-start=\"1277\"\u003eGS (Medium Cage)\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\t\u003cli data-end=\"1351\" data-section-id=\"1bijgw1\" data-start=\"1296\"\u003e\n\u003cstrong data-end=\"1309\" data-start=\"1298\"\u003eWeight:\u003c\/strong\u003e\r\n\t\u003cul data-end=\"1351\" data-start=\"1312\"\u003e\r\n\t\t\u003cli data-end=\"1330\" data-section-id=\"rfkh9l\" data-start=\"1312\"\u003eSS: Approx. 240g\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1351\" data-section-id=\"17f53mi\" data-start=\"1333\"\u003eGS: Approx. 247g\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\t\u003cli data-end=\"1420\" data-section-id=\"btmsik\" data-start=\"1352\"\u003e\n\u003cstrong data-end=\"1384\" data-start=\"1354\"\u003eMaximum Cassette Capacity:\u003c\/strong\u003e\r\n\t\u003cul data-end=\"1420\" data-start=\"1387\"\u003e\r\n\t\t\u003cli data-end=\"1402\" data-section-id=\"wh222j\" data-start=\"1387\"\u003eSS: Up to 30T\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1420\" data-section-id=\"1uh7gbv\" data-start=\"1405\"\u003eGS: Up to 34T\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\t\u003cli data-end=\"1504\" data-section-id=\"rvm5ih\" data-start=\"1421\"\u003e\n\u003cstrong data-end=\"1442\" data-start=\"1423\"\u003eTotal Capacity:\u003c\/strong\u003e\r\n\t\u003cul data-end=\"1504\" data-start=\"1445\"\u003e\r\n\t\t\u003cli data-end=\"1454\" data-section-id=\"z58i92\" data-start=\"1445\"\u003eSS: 33T\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1504\" data-section-id=\"1jmjn9n\" data-start=\"1457\"\u003eGS: 37T\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2 data-end=\"1513\" data-section-id=\"1xwciez\" data-start=\"1506\"\u003ePros\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1946\" data-start=\"1514\"\u003e\r\n\t\u003cli data-end=\"1554\" data-section-id=\"mf94qk\" data-start=\"1514\"\u003eExtremely precise electronic shifting.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1625\" data-section-id=\"maki6a\" data-start=\"1555\"\u003eConsistent performance regardless of cable stretch or contamination.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1685\" data-section-id=\"3xfve\" data-start=\"1626\"\u003eLow-profile Shadow RD design reduces crash vulnerability.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1731\" data-section-id=\"dx40cz\" data-start=\"1686\"\u003eCompatible with Shimano Synchronized Shift.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1781\" data-section-id=\"1swiig\" data-start=\"1732\"\u003eReliable performance in all weather conditions.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1835\" data-section-id=\"1ukde4d\" data-start=\"1782\"\u003eMinimal maintenance compared to mechanical systems.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1946\" data-section-id=\"1y695ye\" data-start=\"1836\"\u003eExcellent balance of performance and value within Shimano's Di2 range.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2 data-end=\"1955\" data-section-id=\"1xvztdg\" data-start=\"1948\"\u003eCons\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2227\" data-start=\"1956\"\u003e\r\n\t\u003cli data-end=\"2001\" data-section-id=\"109bhzi\" data-start=\"1956\"\u003eMore expensive than mechanical derailleurs.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2051\" data-section-id=\"1744x2i\" data-start=\"2002\"\u003eRequires Di2 battery and wiring infrastructure.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2094\" data-section-id=\"1asbotx\" data-start=\"2052\"\u003eLimited to Shimano 11-speed Di2 systems.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2129\" data-section-id=\"1a4k949\" data-start=\"2095\"\u003eReplacement parts can be costly.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2227\" data-section-id=\"1ck8pai\" data-start=\"2130\"\u003eNot compatible with Shimano's newer 12-speed Di2 systems.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2 data-end=\"2255\" data-section-id=\"13o4ft3\" data-start=\"2229\"\u003eWho Is It Suitable For?\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2517\" data-start=\"2256\"\u003e\r\n\t\u003cli data-end=\"2284\" data-section-id=\"elnkmm\" data-start=\"2256\"\u003ePerformance road cyclists.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2304\" data-section-id=\"1enjfng\" data-start=\"2285\"\u003eEndurance riders.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2326\" data-section-id=\"ekt7jp\" data-start=\"2305\"\u003eCompetitive racers.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2370\" data-section-id=\"i22j49\" data-start=\"2327\"\u003eRiders upgrading from mechanical Ultegra.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2425\" data-section-id=\"1n5qoky\" data-start=\"2371\"\u003eCyclists already using Shimano 11-speed Di2 systems.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2517\" data-section-id=\"11i9g2h\" data-start=\"2426\"\u003eRiders seeking highly reliable electronic shifting.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2 data-end=\"2540\" data-section-id=\"10v8nod\" data-start=\"2519\"\u003eWho Should Use It?\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2841\" data-start=\"2541\"\u003e\r\n\t\u003cli data-end=\"2611\" data-section-id=\"v1r4oa\" data-start=\"2541\"\u003eRoad cyclists building or maintaining an Ultegra R8050 Di2 groupset.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2669\" data-section-id=\"9js69y\" data-start=\"2612\"\u003eRacers demanding fast and accurate shifting under load.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2743\" data-section-id=\"z2013k\" data-start=\"2670\"\u003eRiders who value low maintenance and consistent drivetrain performance.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2841\" data-section-id=\"63ut10\" data-start=\"2744\"\u003eCyclists looking for a premium electronic shifting experience without the cost of Dura-Ace Di2.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2 data-end=\"2857\" data-section-id=\"1mrtquc\" data-start=\"2843\"\u003eBottom Line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"3371\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"2858\"\u003eThe Shimano Ultegra RD-R8050 Di2 remains one of the best 11-speed electronic rear derailleurs Shimano has produced. It combines the proven reliability of Di2 electronic shifting with the sleek and durable Shadow RD design, making it an excellent choice for road cyclists who want precise shifting performance. Although superseded by Shimano's newer 12-speed Di2 systems, it continues to be a highly sought-after upgrade and replacement option for existing 11-speed Di2 bikes.\u003c\/p\u003e\r\n","brand":"Satori","offers":[{"title":"Default Title","offer_id":48307208126686,"sku":"IRDR8150F","price":8600.0,"currency_code":"ZAR","in_stock":false}],"url":"https:\/\/online-bicycle-shop.co.za\/products\/shimano-derailleur-ultegra-r8050f-rear-di2-12-speed","provider":"Online Bicycle Shop","version":"1.0","type":"link"}