{"product_id":"shimano-derailleur-rear-rdm5100sgs-1x11spd-11-51","title":"Shimano Derailleur Rear Rdm5100Sgs 1X11Spd 11-51","description":"\u003ch2 data-end=\"203\" data-section-id=\"1d1u59d\" data-start=\"187\"\u003e???? What it is\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"325\" data-start=\"205\"\u003eThe \u003cstrong data-end=\"235\" data-start=\"209\"\u003eShimano Deore RD-M5100\u003c\/strong\u003e is a \u003cstrong data-end=\"280\" data-start=\"241\"\u003e1×11-speed mountain bike derailleur\u003c\/strong\u003e designed for wide-range cassettes up to 51T.\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"341\" data-start=\"327\"\u003eIt’s used for:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"420\" data-start=\"342\"\u003e\r\n\t\u003cli data-end=\"361\" data-section-id=\"b242wt\" data-start=\"342\"\u003e???? Trail riding\u003c\/li\u003e\r\n\t\u003cli data-end=\"387\" data-section-id=\"6o4wsv\" data-start=\"362\"\u003e???? XC \/ cross-country\u003c\/li\u003e\r\n\t\u003cli data-end=\"420\" data-section-id=\"b1psx2\" data-start=\"388\"\u003e???? General modern MTB setups\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"425\" data-start=\"422\"\u003e\r\n\u003ch2 data-end=\"455\" data-section-id=\"1x36lvp\" data-start=\"427\"\u003e⚙️ Key features explained\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"493\" data-section-id=\"10ap76l\" data-start=\"457\"\u003e???? 1×11 drivetrain compatibility\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"600\" data-start=\"494\"\u003e\r\n\t\u003cli data-end=\"547\" data-section-id=\"7e5e6o\" data-start=\"494\"\u003eWorks with a \u003cstrong data-end=\"547\" data-start=\"509\"\u003esingle front chainring (1x system)\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"600\" data-section-id=\"15pnlf2\" data-start=\"548\"\u003eRear cassette range:\r\n\t\u003cul data-end=\"600\" data-start=\"573\"\u003e\r\n\t\t\u003cli data-end=\"600\" data-section-id=\"1e4vlbe\" data-start=\"573\"\u003e\u003cstrong data-end=\"598\" data-start=\"575\"\u003e11–51T (wide range)\u003c\/strong\u003e\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"617\" data-start=\"602\"\u003e???? Translation:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"686\" data-start=\"618\"\u003e\r\n\t\u003cli data-end=\"653\" data-section-id=\"a60hiz\" data-start=\"618\"\u003eEasy climbing gears (51T big cog)\u003c\/li\u003e\r\n\t\u003cli data-end=\"686\" data-section-id=\"1ery7fz\" data-start=\"654\"\u003eEnough top-end speed for flats\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"691\" data-start=\"688\"\u003e\r\n\u003ch3 data-end=\"721\" data-section-id=\"1diysmv\" data-start=\"693\"\u003e???? Shadow RD+ technology\u003c\/h3\u003e\r\n\r\n\u003cp data-end=\"765\" data-start=\"722\"\u003eThis is one of Shimano’s best MTB features.\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"779\" data-start=\"767\"\u003eIt includes:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"824\" data-start=\"780\"\u003e\r\n\t\u003cli data-end=\"824\" data-section-id=\"mkx623\" data-start=\"780\"\u003eA clutch mechanism inside the derailleur\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"839\" data-start=\"826\"\u003eWhat it does:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"952\" data-start=\"840\"\u003e\r\n\t\u003cli data-end=\"883\" data-section-id=\"1uj54gz\" data-start=\"840\"\u003eReduces chain slap (noisy chain bouncing)\u003c\/li\u003e\r\n\t\u003cli data-end=\"927\" data-section-id=\"10gm9bs\" data-start=\"884\"\u003eImproves chain stability on rough terrain\u003c\/li\u003e\r\n\t\u003cli data-end=\"952\" data-section-id=\"hpnq76\" data-start=\"928\"\u003ePrevents chain drops\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"971\" data-start=\"954\"\u003e???? You’ll notice:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1054\" data-start=\"972\"\u003e\r\n\t\u003cli data-end=\"988\" data-section-id=\"1gc0pie\" data-start=\"972\"\u003eQuieter bike\u003c\/li\u003e\r\n\t\u003cli data-end=\"1022\" data-section-id=\"19pjsbj\" data-start=\"989\"\u003eLess chain movement on trails\u003c\/li\u003e\r\n\t\u003cli data-end=\"1054\" data-section-id=\"1xuu3cc\" data-start=\"1023\"\u003eMore secure drivetrain feel\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1059\" data-start=\"1056\"\u003e\r\n\u003ch3 data-end=\"1090\" data-section-id=\"1h4d5ty\" data-start=\"1061\"\u003e⚙️ 13-tooth jockey wheels\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1236\" data-start=\"1091\"\u003e\r\n\t\u003cli data-end=\"1136\" data-section-id=\"riiiev\" data-start=\"1091\"\u003eLarger pulley wheels than older derailleurs\u003c\/li\u003e\r\n\t\u003cli data-end=\"1236\" data-section-id=\"1visb36\" data-start=\"1137\"\u003eBenefits:\r\n\t\u003cul data-end=\"1236\" data-start=\"1151\"\u003e\r\n\t\t\u003cli data-end=\"1181\" data-section-id=\"1dz2gux\" data-start=\"1151\"\u003eSlightly smoother pedaling\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1204\" data-section-id=\"18jsby\" data-start=\"1184\"\u003eReduced friction\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1236\" data-section-id=\"1ot9o5o\" data-start=\"1207\"\u003eImproved chain efficiency\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1241\" data-start=\"1238\"\u003e\r\n\u003ch3 data-end=\"1265\" data-section-id=\"80v3lq\" data-start=\"1243\"\u003e???? Long cage (SGS)\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1389\" data-start=\"1266\"\u003e\r\n\t\u003cli data-end=\"1310\" data-section-id=\"c7d2eb\" data-start=\"1266\"\u003eNeeded to handle large gear range (11–51T)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1389\" data-section-id=\"1rjqpzy\" data-start=\"1311\"\u003eAllows enough chain capacity for:\r\n\t\u003cul data-end=\"1389\" data-start=\"1349\"\u003e\r\n\t\t\u003cli data-end=\"1363\" data-section-id=\"11ojy7y\" data-start=\"1349\"\u003eBig climbs\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1389\" data-section-id=\"1ec5x7o\" data-start=\"1366\"\u003eWide cassette jumps\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1394\" data-start=\"1391\"\u003e\r\n\u003ch3 data-end=\"1427\" data-section-id=\"1f7ka5x\" data-start=\"1396\"\u003e???? HG-X chain compatibility\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1546\" data-start=\"1428\"\u003e\r\n\t\u003cli data-end=\"1476\" data-section-id=\"1pf9who\" data-start=\"1428\"\u003eWorks best with Shimano \u003cstrong data-end=\"1476\" data-start=\"1454\"\u003e11-speed HG chains\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"1546\" data-section-id=\"naldm6\" data-start=\"1477\"\u003eEnsures:\r\n\t\u003cul data-end=\"1546\" data-start=\"1490\"\u003e\r\n\t\t\u003cli data-end=\"1516\" data-section-id=\"1f9qgc2\" data-start=\"1490\"\u003eProper shifting timing\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1546\" data-section-id=\"1yidztz\" data-start=\"1519\"\u003eSmooth gear transitions\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1551\" data-start=\"1548\"\u003e\r\n\u003ch2 data-end=\"1577\" data-section-id=\"9rt626\" data-start=\"1553\"\u003e⚖️ Capacity explained\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1698\" data-start=\"1579\"\u003e\r\n\t\u003cli data-end=\"1628\" data-section-id=\"1fa6zy7\" data-start=\"1579\"\u003eTotal capacity: \u003cstrong data-end=\"1604\" data-start=\"1597\"\u003e40T\u003c\/strong\u003e\u003cbr\u003e\r\n\t???? Means it can handle:\u003c\/li\u003e\r\n\t\u003cli data-end=\"1666\" data-section-id=\"ejhtbi\" data-start=\"1629\"\u003eBig cassette range + chain growth\u003c\/li\u003e\r\n\t\u003cli data-end=\"1698\" data-section-id=\"f1vzcr\" data-start=\"1667\"\u003eProper tension across gears\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1703\" data-start=\"1700\"\u003e\r\n\u003ch2 data-end=\"1720\" data-section-id=\"qz95oj\" data-start=\"1705\"\u003e???? Strengths\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1914\" data-start=\"1722\"\u003e\r\n\t\u003cli data-end=\"1756\" data-section-id=\"1e7u8wn\" data-start=\"1722\"\u003eVery reliable Shimano shifting\u003c\/li\u003e\r\n\t\u003cli data-end=\"1799\" data-section-id=\"db0w72\" data-start=\"1757\"\u003eExcellent chain stability (Shadow RD+)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1842\" data-section-id=\"1hm09nf\" data-start=\"1800\"\u003eWorks with modern wide-range cassettes\u003c\/li\u003e\r\n\t\u003cli data-end=\"1882\" data-section-id=\"1rkl1ea\" data-start=\"1843\"\u003eGood climbing capability (51T gear)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1914\" data-section-id=\"kyd5j7\" data-start=\"1883\"\u003eDurable and low maintenance\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1919\" data-start=\"1916\"\u003e\r\n\u003ch2 data-end=\"1938\" data-section-id=\"u1usel\" data-start=\"1921\"\u003e???? Limitations\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2099\" data-start=\"1940\"\u003e\r\n\t\u003cli data-end=\"1980\" data-section-id=\"uxfg0j\" data-start=\"1940\"\u003eNot compatible with 2x or 3x systems\u003c\/li\u003e\r\n\t\u003cli data-end=\"2029\" data-section-id=\"1hdjbto\" data-start=\"1981\"\u003eRequires correct 11-speed shifter + cassette\u003c\/li\u003e\r\n\t\u003cli data-end=\"2056\" data-section-id=\"hy7ltq\" data-start=\"2030\"\u003eNot as light as XT\/XTR\u003c\/li\u003e\r\n\t\u003cli data-end=\"2099\" data-section-id=\"13avh2d\" data-start=\"2057\"\u003eNeeds proper setup for smooth shifting\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"2104\" data-start=\"2101\"\u003e\r\n\u003ch2 data-end=\"2130\" data-section-id=\"12mtvg5\" data-start=\"2106\"\u003e???? Real-world verdict\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"2151\" data-start=\"2132\"\u003eThis derailleur is:\u003c\/p\u003e\r\n\r\n\u003cblockquote data-end=\"2318\" data-start=\"2152\"\u003e\r\n\u003cp data-end=\"2318\" data-start=\"2154\"\u003e???? A strong mid-range modern MTB derailleur designed for wide-range 1×11 drivetrains, prioritizing stability, climbing ability, and reliability over weight savings.\u003c\/p\u003e\r\n\u003c\/blockquote\u003e\r\n\r\n\u003chr data-end=\"2323\" data-start=\"2320\"\u003e\r\n\u003ch2 data-end=\"2342\" data-section-id=\"3ajuo3\" data-start=\"2325\"\u003e???? Bottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"2374\" data-start=\"2344\"\u003eThe Shimano Deore RD-M5100 is:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"2613\" data-start=\"2375\"\u003e\r\n\t\u003cli data-end=\"2417\" data-section-id=\"mcooui\" data-start=\"2375\"\u003e✔ Very capable for trail and XC riding\u003c\/li\u003e\r\n\t\u003cli data-end=\"2463\" data-section-id=\"ly6563\" data-start=\"2418\"\u003e✔ Excellent chain control with Shadow RD+\u003c\/li\u003e\r\n\t\u003cli data-end=\"2502\" data-section-id=\"1xyqy1n\" data-start=\"2464\"\u003e✔ Wide gear range for steep climbs\u003c\/li\u003e\r\n\t\u003cli data-end=\"2546\" data-section-id=\"13bdiyv\" data-start=\"2503\"\u003e✔ One of the best value MTB drivetrains\u003c\/li\u003e\r\n\t\u003cli data-end=\"2613\" data-section-id=\"1g6bzy9\" data-start=\"2547\"\u003e❗ Not a race-light premium component, but extremely dependable\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44932700045534,"sku":"RDM5100SGS","price":985.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/8574_FNc3t0oWrd5D.jpg?v=1750453683","url":"https:\/\/onlino-bicycle-shopco.shop\/products\/shimano-derailleur-rear-rdm5100sgs-1x11spd-11-51","provider":"Online Bicycle Shop","version":"1.0","type":"link"}