{"product_id":"sunrace-freewheel-8-speed-13-28t-sis","title":"Sunrace Freewheel 8 Speed 13-28T Sis","description":"\u003ch2 data-end=\"39\" data-section-id=\"g8jhmz\" data-start=\"0\"\u003eSunrace Freewheel 8-Speed 13–28T SIS\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"56\" data-section-id=\"c32iwk\" data-start=\"41\"\u003eWhat Is It?\u003c\/h3\u003e\r\n\r\n\u003cp data-end=\"458\" data-start=\"57\"\u003eThe \u003cstrong data-end=\"101\" data-start=\"61\"\u003eSunrace 8-Speed 13–28T SIS Freewheel\u003c\/strong\u003e is a threaded rear freewheel unit designed for bicycles with 8-speed drivetrains. It combines both the gear cluster and the ratcheting mechanism into one component, allowing smooth pedalling while enabling indexed shifting (SIS-compatible systems). It’s commonly used on commuter bikes, hybrid bikes, and entry-level mountain bikes with threaded rear hubs.\u003c\/p\u003e\r\n\r\n\u003ch3 data-end=\"476\" data-section-id=\"1iz91iu\" data-start=\"460\"\u003eKey Features\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"850\" data-start=\"477\"\u003e\r\n\t\u003cli data-end=\"513\" data-section-id=\"18wgs4u\" data-start=\"477\"\u003e8-speed threaded freewheel design.\u003c\/li\u003e\r\n\t\u003cli data-end=\"558\" data-section-id=\"1vytd6w\" data-start=\"514\"\u003eSIS (Shimano Indexed Shifting) compatible.\u003c\/li\u003e\r\n\t\u003cli data-end=\"619\" data-section-id=\"17ywmzd\" data-start=\"559\"\u003e13–28T gear range for balanced speed and climbing ability.\u003c\/li\u003e\r\n\t\u003cli data-end=\"686\" data-section-id=\"1lo16zv\" data-start=\"620\"\u003eIntegrated ratchet mechanism (no separate cassette body needed).\u003c\/li\u003e\r\n\t\u003cli data-end=\"735\" data-section-id=\"1qk9xve\" data-start=\"687\"\u003eDurable steel sprockets for long service life.\u003c\/li\u003e\r\n\t\u003cli data-end=\"789\" data-section-id=\"t35g0v\" data-start=\"736\"\u003eSmooth, consistent shifting when properly adjusted.\u003c\/li\u003e\r\n\t\u003cli data-end=\"850\" data-section-id=\"fqsqsj\" data-start=\"790\"\u003eSuitable for older or budget-friendly 8-speed drivetrains.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"870\" data-section-id=\"1yl5694\" data-start=\"852\"\u003eSpecifications\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1222\" data-start=\"871\"\u003e\r\n\t\u003cli data-end=\"891\" data-section-id=\"1g0zums\" data-start=\"871\"\u003e\n\u003cstrong data-end=\"883\" data-start=\"873\"\u003eBrand:\u003c\/strong\u003e Sunrace\u003c\/li\u003e\r\n\t\u003cli data-end=\"926\" data-section-id=\"upluq\" data-start=\"892\"\u003e\n\u003cstrong data-end=\"911\" data-start=\"894\"\u003eProduct Type:\u003c\/strong\u003e Rear freewheel\u003c\/li\u003e\r\n\t\u003cli data-end=\"947\" data-section-id=\"1q02mf\" data-start=\"927\"\u003e\n\u003cstrong data-end=\"939\" data-start=\"929\"\u003eSpeed:\u003c\/strong\u003e 8-speed\u003c\/li\u003e\r\n\t\u003cli data-end=\"967\" data-section-id=\"q5rhgi\" data-start=\"948\"\u003e\n\u003cstrong data-end=\"960\" data-start=\"950\"\u003eRange:\u003c\/strong\u003e 13–28T\u003c\/li\u003e\r\n\t\u003cli data-end=\"991\" data-section-id=\"15oft02\" data-start=\"968\"\u003e\n\u003cstrong data-end=\"987\" data-start=\"970\"\u003eSmallest Cog:\u003c\/strong\u003e 13T\u003c\/li\u003e\r\n\t\u003cli data-end=\"1014\" data-section-id=\"1qdfxdp\" data-start=\"992\"\u003e\n\u003cstrong data-end=\"1010\" data-start=\"994\"\u003eLargest Cog:\u003c\/strong\u003e 28T\u003c\/li\u003e\r\n\t\u003cli data-end=\"1054\" data-section-id=\"1kuexlb\" data-start=\"1015\"\u003e\n\u003cstrong data-end=\"1035\" data-start=\"1017\"\u003eMounting Type:\u003c\/strong\u003e Threaded freewheel\u003c\/li\u003e\r\n\t\u003cli data-end=\"1129\" data-section-id=\"406ufa\" data-start=\"1055\"\u003e\n\u003cstrong data-end=\"1084\" data-start=\"1057\"\u003eShifting Compatibility:\u003c\/strong\u003e SIS indexed systems (Shimano-style indexing)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1165\" data-section-id=\"5jgdgf\" data-start=\"1130\"\u003e\n\u003cstrong data-end=\"1145\" data-start=\"1132\"\u003eMaterial:\u003c\/strong\u003e Hardened steel cogs\u003c\/li\u003e\r\n\t\u003cli data-end=\"1222\" data-section-id=\"1erw23g\" data-start=\"1166\"\u003e\n\u003cstrong data-end=\"1184\" data-start=\"1168\"\u003eApplication:\u003c\/strong\u003e MTB, hybrid, commuter, trekking bikes\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"1232\" data-section-id=\"yntdlk\" data-start=\"1224\"\u003ePros\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1475\" data-start=\"1233\"\u003e\r\n\t\u003cli data-end=\"1286\" data-section-id=\"18alinp\" data-start=\"1233\"\u003eWide compatibility with common 8-speed drivetrains.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1321\" data-section-id=\"7z5u2z\" data-start=\"1287\"\u003eSmooth SIS indexing performance.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1362\" data-section-id=\"4yupt\" data-start=\"1322\"\u003eStrong and durable steel construction.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1395\" data-section-id=\"j2zevd\" data-start=\"1363\"\u003eAffordable replacement option.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1439\" data-section-id=\"dzrt1h\" data-start=\"1396\"\u003eGood gear range for mixed terrain riding.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1475\" data-section-id=\"96qc34\" data-start=\"1440\"\u003eEasy to install on threaded hubs.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"1485\" data-section-id=\"yncdlj\" data-start=\"1477\"\u003eCons\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1728\" data-start=\"1486\"\u003e\r\n\t\u003cli data-end=\"1525\" data-section-id=\"vm0kca\" data-start=\"1486\"\u003eHeavier than modern cassette systems.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1580\" data-section-id=\"3fuv4n\" data-start=\"1526\"\u003eLimited upgrade path compared to modern drivetrains.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1629\" data-section-id=\"r3qstm\" data-start=\"1581\"\u003eRequires freewheel removal tool for servicing.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1685\" data-section-id=\"1dduaij\" data-start=\"1630\"\u003ePlaces more stress on rear axle than cassette setups.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1728\" data-section-id=\"17vw3c3\" data-start=\"1686\"\u003eNot compatible with cassette-style hubs.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"1757\" data-section-id=\"lom3wk\" data-start=\"1730\"\u003eWho Is It Suitable For?\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1980\" data-start=\"1758\"\u003e\r\n\t\u003cli data-end=\"1798\" data-section-id=\"121s15i\" data-start=\"1758\"\u003eCommuter cyclists using 8-speed bikes.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1829\" data-section-id=\"1n0qpty\" data-start=\"1799\"\u003eEntry-level mountain bikers.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1871\" data-section-id=\"gkpecp\" data-start=\"1830\"\u003eRiders with older threaded hub systems.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1940\" data-section-id=\"luymes\" data-start=\"1872\"\u003eBudget-conscious cyclists needing reliable drivetrain replacement.\u003c\/li\u003e\r\n\t\u003cli data-end=\"1980\" data-section-id=\"hyl9j9\" data-start=\"1941\"\u003eRecreational riders on mixed terrain.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"2004\" data-section-id=\"10onbcu\" data-start=\"1982\"\u003eWho Should Use It?\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"2252\" data-start=\"2005\"\u003e\r\n\t\u003cli data-end=\"2052\" data-section-id=\"3ms451\" data-start=\"2005\"\u003eRiders replacing worn-out 8-speed freewheels.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2117\" data-section-id=\"gdbc11\" data-start=\"2053\"\u003eCyclists maintaining older Shimano SIS-compatible drivetrains.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2171\" data-section-id=\"1k6z7ki\" data-start=\"2118\"\u003eBike shops servicing commuter or entry-level bikes.\u003c\/li\u003e\r\n\t\u003cli data-end=\"2252\" data-section-id=\"1f8c839\" data-start=\"2172\"\u003eUsers prioritizing affordability and reliability over lightweight performance.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"2269\" data-section-id=\"1g7992f\" data-start=\"2254\"\u003eBottom Line\u003c\/h3\u003e\r\n\r\n\u003cp data-end=\"2625\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"2270\"\u003eThe \u003cstrong data-end=\"2314\" data-start=\"2274\"\u003eSunrace 8-Speed 13–28T SIS Freewheel\u003c\/strong\u003e is a solid, reliable drivetrain component for bicycles using threaded hubs and 8-speed indexed shifting systems. It offers durable construction, smooth SIS compatibility, and a practical gear range, making it a dependable choice for commuters and recreational riders maintaining older or budget-friendly bikes.\u003c\/p\u003e\r\n","brand":"Joytech","offers":[{"title":"Default Title","offer_id":48308355563742,"sku":"D14","price":510.0,"currency_code":"ZAR","in_stock":true}],"url":"https:\/\/online-bicycle-shop.co.za\/products\/sunrace-freewheel-8-speed-13-28t-sis","provider":"Online Bicycle Shop","version":"1.0","type":"link"}