{"product_id":"park-tool-fr-4-freewheel-remover","title":"Park Tool FR-4 Freewheel Remover","description":"\u003ch2 data-end=\"38\" data-section-id=\"7479v5\" data-start=\"0\"\u003e???? Park Tool FR-4 Freewheel Remover\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"165\" data-start=\"40\"\u003eYou’re describing the\u003cbr data-end=\"64\" data-start=\"61\"\u003e\r\n\u003cstrong data-end=\"100\" data-start=\"64\"\u003ePark Tool FR-4 Freewheel Remover\u003c\/strong\u003e — a specialist tool for removing older SunTour-style freewheels.\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"170\" data-start=\"167\"\u003e\r\n\u003ch2 data-end=\"190\" data-section-id=\"1ied0vl\" data-start=\"172\"\u003e???? What it does\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"211\" data-start=\"191\"\u003eThe FR-4 is used to:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"346\" data-start=\"212\"\u003e\r\n\t\u003cli data-end=\"257\" data-section-id=\"1qdnxva\" data-start=\"212\"\u003e???? Remove \u003cstrong data-end=\"257\" data-start=\"224\"\u003eSunTour® 20-spline freewheels\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"301\" data-section-id=\"1iij7w1\" data-start=\"258\"\u003e???? Service older road and MTB drivetrains\u003c\/li\u003e\r\n\t\u003cli data-end=\"346\" data-section-id=\"1sd1fqy\" data-start=\"302\"\u003e???? Work on vintage or classic bicycle hubs\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"413\" data-start=\"348\"\u003e???? This is a \u003cstrong data-end=\"387\" data-start=\"361\"\u003elegacy drivetrain tool\u003c\/strong\u003e, not for modern cassettes\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"418\" data-start=\"415\"\u003e\r\n\u003ch2 data-end=\"451\" data-section-id=\"1w0ticu\" data-start=\"420\"\u003e⚙️ Key features (simplified)\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"681\" data-start=\"453\"\u003e\r\n\t\u003cli data-end=\"499\" data-section-id=\"1fdcxuv\" data-start=\"453\"\u003eFits \u003cstrong data-end=\"499\" data-start=\"460\"\u003e20-spline SunTour freewheel systems\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"561\" data-section-id=\"1bkyzxc\" data-start=\"500\"\u003eWorks with older screw-on freewheels (not cassette systems)\u003c\/li\u003e\r\n\t\u003cli data-end=\"641\" data-section-id=\"14awzk4\" data-start=\"562\"\u003e1\" hex base for:\r\n\t\u003cul data-end=\"641\" data-start=\"583\"\u003e\r\n\t\t\u003cli data-end=\"600\" data-section-id=\"qkhj48\" data-start=\"583\"\u003eSocket wrench\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"624\" data-section-id=\"1wg3s0q\" data-start=\"603\"\u003eAdjustable wrench\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"641\" data-section-id=\"vw3vfn\" data-start=\"627\"\u003eBench vise\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\t\u003cli data-end=\"681\" data-section-id=\"ypmg7f\" data-start=\"642\"\u003eHeat-treated alloy steel construction\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"686\" data-start=\"683\"\u003e\r\n\u003ch2 data-end=\"708\" data-section-id=\"1wvgozq\" data-start=\"688\"\u003e???? Why it matters\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"743\" data-section-id=\"14gcnil\" data-start=\"710\"\u003e???? This tool is very specific\u003c\/h3\u003e\r\n\r\n\u003cp data-end=\"778\" data-start=\"744\"\u003eSunTour freewheels were common on:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"859\" data-start=\"779\"\u003e\r\n\t\u003cli data-end=\"799\" data-section-id=\"1lxxpue\" data-start=\"779\"\u003eOlder road bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"819\" data-section-id=\"17iafg5\" data-start=\"800\"\u003eOlder MTB bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"859\" data-section-id=\"1gt93ts\" data-start=\"820\"\u003eEntry-level bikes from past decades\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"913\" data-start=\"861\"\u003e???? Modern bikes almost never use this system anymore\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"918\" data-start=\"915\"\u003e\r\n\u003ch2 data-end=\"958\" data-section-id=\"1cw0vdz\" data-start=\"920\"\u003e⚖️ FR-4 vs other Park Tool removers\u003c\/h2\u003e\r\n\r\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\r\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\r\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"1199\" data-start=\"960\"\u003e\r\n\t\u003cthead data-end=\"989\" data-start=\"960\"\u003e\r\n\t\t\u003ctr data-end=\"989\" data-start=\"960\"\u003e\r\n\t\t\t\u003cth data-col-size=\"sm\" data-end=\"967\" data-start=\"960\"\u003eTool\u003c\/th\u003e\r\n\t\t\t\u003cth data-col-size=\"sm\" data-end=\"982\" data-start=\"967\"\u003eWhat it fits\u003c\/th\u003e\r\n\t\t\t\u003cth data-col-size=\"sm\" data-end=\"989\" data-start=\"982\"\u003eEra\u003c\/th\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\u003c\/thead\u003e\r\n\t\u003ctbody data-end=\"1199\" data-start=\"1020\"\u003e\r\n\t\t\u003ctr data-end=\"1077\" data-start=\"1020\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1027\" data-start=\"1020\"\u003eFR-4\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1058\" data-start=\"1027\"\u003eSunTour 20-spline freewheels\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1077\" data-start=\"1058\"\u003eOlder \/ vintage\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1141\" data-start=\"1078\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1087\" data-start=\"1078\"\u003eFR-1.3\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1116\" data-start=\"1087\"\u003eShimano\/SunRace freewheels\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1141\" data-start=\"1116\"\u003eOlder but more common\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1199\" data-start=\"1142\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1151\" data-start=\"1142\"\u003eFR-5.2\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1179\" data-start=\"1151\"\u003eModern cassette lockrings\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1199\" data-start=\"1179\"\u003eCurrent standard\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\r\n\u003chr data-end=\"1204\" data-start=\"1201\"\u003e\r\n\u003ch2 data-end=\"1216\" data-section-id=\"noawdn\" data-start=\"1206\"\u003e???? Pros\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1359\" data-start=\"1217\"\u003e\r\n\t\u003cli data-end=\"1254\" data-section-id=\"byum0p\" data-start=\"1217\"\u003eVery strong, workshop-grade steel\u003c\/li\u003e\r\n\t\u003cli data-end=\"1290\" data-section-id=\"8f10fl\" data-start=\"1255\"\u003ePrecise fit for SunTour systems\u003c\/li\u003e\r\n\t\u003cli data-end=\"1324\" data-section-id=\"q319mo\" data-start=\"1291\"\u003eCan be used with common tools\u003c\/li\u003e\r\n\t\u003cli data-end=\"1359\" data-section-id=\"lsw8op\" data-start=\"1325\"\u003eDurable “lifetime tool” design\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1364\" data-start=\"1361\"\u003e\r\n\u003ch2 data-end=\"1376\" data-section-id=\"n2q7uv\" data-start=\"1366\"\u003e???? Cons\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1475\" data-start=\"1377\"\u003e\r\n\t\u003cli data-end=\"1402\" data-section-id=\"1ozmhgl\" data-start=\"1377\"\u003eExtremely niche today\u003c\/li\u003e\r\n\t\u003cli data-end=\"1443\" data-section-id=\"1uq2eyf\" data-start=\"1403\"\u003eNot compatible with modern cassettes\u003c\/li\u003e\r\n\t\u003cli data-end=\"1475\" data-section-id=\"8auhkt\" data-start=\"1444\"\u003eOnly useful for older bikes\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1480\" data-start=\"1477\"\u003e\r\n\u003ch2 data-end=\"1505\" data-section-id=\"km7zop\" data-start=\"1482\"\u003e???? Who should own it\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"1521\" data-start=\"1507\"\u003e???? Useful for:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1664\" data-start=\"1522\"\u003e\r\n\t\u003cli data-end=\"1548\" data-section-id=\"ez0a2q\" data-start=\"1522\"\u003eVintage bike restorers\u003c\/li\u003e\r\n\t\u003cli data-end=\"1568\" data-section-id=\"ici4al\" data-start=\"1549\"\u003eBike collectors\u003c\/li\u003e\r\n\t\u003cli data-end=\"1610\" data-section-id=\"vi30m7\" data-start=\"1569\"\u003eCommunity workshops with mixed fleets\u003c\/li\u003e\r\n\t\u003cli data-end=\"1664\" data-section-id=\"1bcxw8b\" data-start=\"1611\"\u003eMechanics working on older SunTour-equipped bikes\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1684\" data-start=\"1666\"\u003e???? Not useful for:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1761\" data-start=\"1685\"\u003e\r\n\t\u003cli data-end=\"1718\" data-section-id=\"1xm7xd0\" data-start=\"1685\"\u003eModern road\/gravel\/MTB riders\u003c\/li\u003e\r\n\t\u003cli data-end=\"1761\" data-section-id=\"hdfsk9\" data-start=\"1719\"\u003eAnyone with cassette-based drivetrains\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1766\" data-start=\"1763\"\u003e\r\n\u003ch2 data-end=\"1785\" data-section-id=\"twh5fd\" data-start=\"1768\"\u003e???? Bottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"1947\" data-start=\"1786\"\u003eThe FR-4 is a \u003cstrong data-end=\"1836\" data-start=\"1800\"\u003especialist legacy freewheel tool\u003c\/strong\u003e for SunTour systems. It’s extremely durable and precise—but only relevant if you’re working on older bicycles.\u003c\/p\u003e\r\n","brand":"Park Tool","offers":[{"title":"Default Title","offer_id":44312581505246,"sku":"36065045","price":145.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/13488_FR-4-001.jpg?v=1776258209","url":"https:\/\/onlino-bicycle-shopco.shop\/products\/park-tool-fr-4-freewheel-remover","provider":"Online Bicycle Shop","version":"1.0","type":"link"}