{"product_id":"bravvos-cog-freewheel-18t-brown","title":"Bravvos Cog Freewheel 18T Brown","description":"\u003ch2 data-end=\"140\" data-section-id=\"1b387ru\" data-start=\"123\"\u003e????️ What it is\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"230\" data-start=\"141\"\u003eThis is an \u003cstrong data-end=\"191\" data-start=\"152\"\u003e18-tooth single-speed freewheel cog\u003c\/strong\u003e, meaning it’s the rear gear that both:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"328\" data-start=\"231\"\u003e\r\n\t\u003cli data-end=\"265\" data-section-id=\"1xzppfo\" data-start=\"231\"\u003eTransfers power when you pedal\u003c\/li\u003e\r\n\t\u003cli data-end=\"328\" data-section-id=\"xx293g\" data-start=\"266\"\u003eAllows coasting when you stop pedaling (unlike a fixed gear)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"428\" data-start=\"330\"\u003eIt screws onto a \u003cstrong data-end=\"368\" data-start=\"347\"\u003ethreaded rear hub\u003c\/strong\u003e, which is common on BMX and many budget single-speed bikes.\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"433\" data-start=\"430\"\u003e\r\n\u003ch2 data-end=\"460\" data-section-id=\"1t694pa\" data-start=\"435\"\u003e???? Key specs explained\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"486\" data-start=\"462\"\u003e\u003cstrong data-end=\"484\" data-start=\"462\"\u003e⚙️ 18T tooth count\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"752\" data-start=\"487\"\u003e\r\n\t\u003cli data-end=\"523\" data-section-id=\"1wlqrr3\" data-start=\"487\"\u003e“18T” = 18 teeth on the rear cog\u003c\/li\u003e\r\n\t\u003cli data-end=\"671\" data-section-id=\"ch0uwh\" data-start=\"524\"\u003eThis is a \u003cstrong data-end=\"568\" data-start=\"536\"\u003emiddle-ground gearing choice\u003c\/strong\u003e:\r\n\t\u003cul data-end=\"671\" data-start=\"572\"\u003e\r\n\t\t\u003cli data-end=\"623\" data-section-id=\"1dwfvzr\" data-start=\"572\"\u003eEasier acceleration than larger cogs (e.g. 16T)\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"671\" data-section-id=\"1eyypau\" data-start=\"626\"\u003eSlightly less top speed than smaller cogs\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\t\u003cli data-end=\"752\" data-section-id=\"1go3p5b\" data-start=\"672\"\u003eGood balance for \u003cstrong data-end=\"752\" data-start=\"691\"\u003eBMX cruising, street riding, and general single-speed use\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"757\" data-start=\"754\"\u003e\r\n\u003cp data-end=\"801\" data-start=\"759\"\u003e\u003cstrong data-end=\"799\" data-start=\"759\"\u003e???? Chain compatibility (1\/2\" x 1\/8\")\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"962\" data-start=\"802\"\u003e\r\n\t\u003cli data-end=\"846\" data-section-id=\"4qvp0z\" data-start=\"802\"\u003eStandard \u003cstrong data-end=\"844\" data-start=\"813\"\u003eBMX\/single-speed chain size\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"962\" data-section-id=\"cfe011\" data-start=\"847\"\u003eThick, strong chains designed for:\r\n\t\u003cul data-end=\"962\" data-start=\"886\"\u003e\r\n\t\t\u003cli data-end=\"907\" data-section-id=\"1r3r169\" data-start=\"886\"\u003eHigh impact loads\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"962\" data-section-id=\"d8a7xu\" data-start=\"910\"\u003eBasic maintenance rather than precision shifting\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=\"967\" data-start=\"964\"\u003e\r\n\u003cp data-end=\"996\" data-start=\"969\"\u003e\u003cstrong data-end=\"994\" data-start=\"969\"\u003e???? Steel construction\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1147\" data-start=\"997\"\u003e\r\n\t\u003cli data-end=\"1024\" data-section-id=\"1bxof6l\" data-start=\"997\"\u003eStrong and long-lasting\u003c\/li\u003e\r\n\t\u003cli data-end=\"1073\" data-section-id=\"1hgbipr\" data-start=\"1025\"\u003eHandles abuse (skids, impacts, rough riding)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1147\" data-section-id=\"6dvf9v\" data-start=\"1074\"\u003eHeavier than alloy or high-end CNC cogs, but more durable for the price\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1152\" data-start=\"1149\"\u003e\r\n\u003cp data-end=\"1188\" data-start=\"1154\"\u003e\u003cstrong data-end=\"1186\" data-start=\"1154\"\u003e???? Threaded freewheel system\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1327\" data-start=\"1189\"\u003e\r\n\t\u003cli data-end=\"1243\" data-section-id=\"1c1rwaa\" data-start=\"1189\"\u003eScrews onto a threaded hub (not a cassette system)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1327\" data-section-id=\"1hjdbt9\" data-start=\"1244\"\u003eVery common on:\r\n\t\u003cul data-end=\"1327\" data-start=\"1264\"\u003e\r\n\t\t\u003cli data-end=\"1277\" data-section-id=\"idt6rt\" data-start=\"1264\"\u003eBMX bikes\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1300\" data-section-id=\"9mj4gz\" data-start=\"1280\"\u003eOlder MTB wheels\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1327\" data-section-id=\"3xmhe6\" data-start=\"1303\"\u003eBudget single-speeds\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=\"1332\" data-start=\"1329\"\u003e\r\n\u003ch2 data-end=\"1358\" data-section-id=\"6dimzn\" data-start=\"1334\"\u003e???? Where it fits best\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"1461\" data-start=\"1359\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eBravvos\u003c\/span\u003e positions this as a \u003cstrong data-end=\"1456\" data-start=\"1417\"\u003ebudget replacement\/freewheel option\u003c\/strong\u003e for:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1609\" data-start=\"1462\"\u003e\r\n\t\u003cli data-end=\"1491\" data-section-id=\"1pk2bm3\" data-start=\"1462\"\u003eBMX street and park bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"1518\" data-section-id=\"ciz7e9\" data-start=\"1492\"\u003eCommuter single-speeds\u003c\/li\u003e\r\n\t\u003cli data-end=\"1580\" data-section-id=\"gou9zo\" data-start=\"1519\"\u003eFixed-gear conversions (as a freewheel alternative setup)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1609\" data-section-id=\"ihubkv\" data-start=\"1581\"\u003eOlder threaded rear hubs\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1614\" data-start=\"1611\"\u003e\r\n\u003ch2 data-end=\"1637\" data-section-id=\"wyn0c8\" data-start=\"1616\"\u003e⚠️ Things to check\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1814\" data-start=\"1638\"\u003e\r\n\t\u003cli data-end=\"1700\" data-section-id=\"qw6j00\" data-start=\"1638\"\u003eMust match your hub type (\u003cstrong data-end=\"1697\" data-start=\"1666\"\u003ethreaded freewheel hub only\u003c\/strong\u003e)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1749\" data-section-id=\"51ba6c\" data-start=\"1701\"\u003ePair with correct chain width (usually 1\/8”)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1814\" data-section-id=\"1e89vi3\" data-start=\"1750\"\u003eGearing must match your front chainring for proper ride feel\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1819\" data-start=\"1816\"\u003e\r\n\u003ch2 data-end=\"1838\" data-section-id=\"pmvb6c\" data-start=\"1821\"\u003e???? Bottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"2079\" data-start=\"1839\"\u003eThe Bravvos 18T freewheel is a \u003cstrong data-end=\"1907\" data-start=\"1870\"\u003esimple, tough, no-frills rear cog\u003c\/strong\u003e. It’s not performance-oriented, but it’s dependable, cheap to replace, and well-suited to BMX or everyday single-speed setups where durability matters more than precision.\u003c\/p\u003e\r\n","brand":"Bravvos","offers":[{"title":"Default Title","offer_id":48133855609054,"sku":"COG003","price":50.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/21738_IMG-2850-2.webp?v=1776693008","url":"https:\/\/online-bicycle-shop.co.za\/products\/bravvos-cog-freewheel-18t-brown","provider":"Online Bicycle Shop","version":"1.0","type":"link"}