{"product_id":"sram-quarq-force-left-arm-spindle-dub-172-5mm-e1","title":"Sram Quarq Force Left Arm\/Spindle Dub 172.5Mm E1","description":"\u003ch2 data-end=\"285\" data-section-id=\"1d1u59d\" data-start=\"269\"\u003e What it is\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"465\" data-start=\"286\"\u003eA \u003cstrong data-end=\"315\" data-start=\"288\"\u003ecrank-based power meter\u003c\/strong\u003e that measures how much force you apply when pedalling (watts). It replaces a standard crank spindle and sends data to your cycling computer or watch.\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"470\" data-start=\"467\"\u003e\r\n\u003ch2 data-end=\"490\" data-section-id=\"oanics\" data-start=\"472\"\u003e How it works\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"544\" data-section-id=\"sh3ulz\" data-start=\"492\"\u003e “Spindle-based unit measures left side power”\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"646\" data-start=\"545\"\u003e\r\n\t\u003cli data-end=\"595\" data-section-id=\"lls6kc\" data-start=\"545\"\u003eIt measures power from \u003cstrong data-end=\"593\" data-start=\"570\"\u003eone leg (left side)\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"646\" data-section-id=\"35mb2j\" data-start=\"596\"\u003eThen doubles it to estimate total power output\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"745\" data-start=\"648\"\u003e This is common in mid-range power meters (simpler and more affordable than dual-sided systems)\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"750\" data-start=\"747\"\u003e\r\n\u003ch2 data-end=\"780\" data-section-id=\"1ak5io9\" data-start=\"752\"\u003e Key features explained\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"813\" data-section-id=\"ot02xq\" data-start=\"782\"\u003e Proven Quarq reliability\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"975\" data-start=\"814\"\u003e\r\n\t\u003cli data-end=\"873\" data-section-id=\"344qgz\" data-start=\"814\"\u003eUses \u003cstrong data-end=\"873\" data-start=\"821\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eQuarq\u003c\/span\u003e\u003c\/span\u003e technology\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"975\" data-section-id=\"19d5abl\" data-start=\"874\"\u003eKnown for consistent accuracy in real-world riding\u003cbr data-end=\"929\" data-start=\"926\"\u003e\r\n\t???? Trusted in training and racing environments\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"980\" data-start=\"977\"\u003e\r\n\u003ch3 data-end=\"1006\" data-section-id=\"1baap69\" data-start=\"982\"\u003e Long battery life\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1109\" data-start=\"1007\"\u003e\r\n\t\u003cli data-end=\"1065\" data-section-id=\"1ba9n3f\" data-start=\"1007\"\u003eDesigned to last \u003cstrong data-end=\"1065\" data-start=\"1026\"\u003ean entire season on one battery set\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"1109\" data-section-id=\"1n07wxe\" data-start=\"1066\"\u003eReduces maintenance and charging hassle\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1114\" data-start=\"1111\"\u003e\r\n\u003ch3 data-end=\"1141\" data-section-id=\"rihtx0\" data-start=\"1116\"\u003e Waterproof (IPX7)\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1269\" data-start=\"1142\"\u003e\r\n\t\u003cli data-end=\"1269\" data-section-id=\"v4uogp\" data-start=\"1142\"\u003eCan withstand:\r\n\t\u003cul data-end=\"1269\" data-start=\"1161\"\u003e\r\n\t\t\u003cli data-end=\"1169\" data-section-id=\"6zloxo\" data-start=\"1161\"\u003eRain\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1186\" data-section-id=\"1qfaz61\" data-start=\"1172\"\u003eWash-downs\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"1269\" data-section-id=\"12xwvsj\" data-start=\"1189\"\u003eTemporary submersion up to 1m for 30 min\u003cbr data-end=\"1234\" data-start=\"1231\"\u003e\r\n\t\t???? Suitable for all-weather cycling\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=\"1274\" data-start=\"1271\"\u003e\r\n\u003ch3 data-end=\"1301\" data-section-id=\"1dll2un\" data-start=\"1276\"\u003e⚙️ DUB spindle system\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1400\" data-start=\"1302\"\u003e\r\n\t\u003cli data-end=\"1351\" data-section-id=\"10qufap\" data-start=\"1302\"\u003eUses \u003cstrong data-end=\"1349\" data-start=\"1309\"\u003eSRAM DUB standard (28.99 mm spindle)\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"1400\" data-section-id=\"82geyz\" data-start=\"1352\"\u003eWorks with all SRAM Road DUB bottom brackets\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1414\" data-start=\"1402\"\u003e Benefits:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1503\" data-start=\"1415\"\u003e\r\n\t\u003cli data-end=\"1437\" data-section-id=\"1cgt4fx\" data-start=\"1415\"\u003eStiffer drivetrain\u003c\/li\u003e\r\n\t\u003cli data-end=\"1467\" data-section-id=\"oealkd\" data-start=\"1438\"\u003eBetter bearing durability\u003c\/li\u003e\r\n\t\u003cli data-end=\"1503\" data-section-id=\"151d37z\" data-start=\"1468\"\u003eSimplified compatibility system\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1508\" data-start=\"1505\"\u003e\r\n\u003ch3 data-end=\"1533\" data-section-id=\"12bnq53\" data-start=\"1510\"\u003e Chainline: 45 mm\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1625\" data-start=\"1534\"\u003e\r\n\t\u003cli data-end=\"1581\" data-section-id=\"p8zdvy\" data-start=\"1534\"\u003eOptimised for modern road and gravel frames\u003c\/li\u003e\r\n\t\u003cli data-end=\"1625\" data-section-id=\"6w16jz\" data-start=\"1582\"\u003eImproves chain alignment and efficiency\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1630\" data-start=\"1627\"\u003e\r\n\u003ch2 data-end=\"1668\" data-section-id=\"1hpnqu0\" data-start=\"1632\"\u003e What “power measurement” means\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"1679\" data-start=\"1669\"\u003eIt tracks:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1807\" data-start=\"1680\"\u003e\r\n\t\u003cli data-end=\"1719\" data-section-id=\"8rcke6\" data-start=\"1680\"\u003eWatts (your actual pedalling force)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1742\" data-section-id=\"1zjf6v\" data-start=\"1720\"\u003eTraining intensity\u003c\/li\u003e\r\n\t\u003cli data-end=\"1773\" data-section-id=\"6zd1oe\" data-start=\"1743\"\u003eFitness progress over time\u003c\/li\u003e\r\n\t\u003cli data-end=\"1807\" data-section-id=\"s6rogo\" data-start=\"1774\"\u003ePacing during races or climbs\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1883\" data-start=\"1809\"\u003e This is a key tool for structured training (zones, intervals, FTP work)\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"1888\" data-start=\"1885\"\u003e\r\n\u003ch2 data-end=\"1900\" data-section-id=\"noawdn\" data-start=\"1890\"\u003e Pros\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2083\" data-start=\"1901\"\u003e\r\n\t\u003cli data-end=\"1939\" data-section-id=\"126hfe\" data-start=\"1901\"\u003eAccurate and consistent power data\u003c\/li\u003e\r\n\t\u003cli data-end=\"1986\" data-section-id=\"11twl92\" data-start=\"1940\"\u003eLightweight compared to dual-sided systems\u003c\/li\u003e\r\n\t\u003cli data-end=\"2008\" data-section-id=\"kutey1\" data-start=\"1987\"\u003eLong battery life\u003c\/li\u003e\r\n\t\u003cli data-end=\"2049\" data-section-id=\"1qxerkj\" data-start=\"2009\"\u003eFully integrated into SRAM Force AXS\u003c\/li\u003e\r\n\t\u003cli data-end=\"2083\" data-section-id=\"daj677\" data-start=\"2050\"\u003eWeather resistant and durable\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"2088\" data-start=\"2085\"\u003e\r\n\u003ch2 data-end=\"2100\" data-section-id=\"1ht7zuj\" data-start=\"2090\"\u003e⚠️ Cons\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2305\" data-start=\"2101\"\u003e\r\n\t\u003cli data-end=\"2182\" data-section-id=\"1a6v129\" data-start=\"2101\"\u003eOnly measures one side (left) → slightly less precise than dual-sided systems\u003c\/li\u003e\r\n\t\u003cli data-end=\"2225\" data-section-id=\"1phme6c\" data-start=\"2183\"\u003eExpensive compared to non-power cranks\u003c\/li\u003e\r\n\t\u003cli data-end=\"2269\" data-section-id=\"1qn6nz6\" data-start=\"2226\"\u003eRequires compatible SRAM DUB drivetrain\u003c\/li\u003e\r\n\t\u003cli data-end=\"2305\" data-section-id=\"1mp346y\" data-start=\"2270\"\u003eNot usable with Shimano systems\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"2310\" data-start=\"2307\"\u003e\r\n\u003ch2 data-end=\"2329\" data-section-id=\"18xij8a\" data-start=\"2312\"\u003e Bottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"2409\" data-start=\"2330\"\u003eThis is a \u003cstrong data-end=\"2393\" data-start=\"2340\"\u003eserious training upgrade for performance cyclists\u003c\/strong\u003e using SRAM AXS.\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"2434\" data-start=\"2411\"\u003eIt’s ideal if you want:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"2533\" data-start=\"2435\"\u003e\r\n\t\u003cli data-end=\"2475\" data-section-id=\"sfdxqy\" data-start=\"2435\"\u003eStructured training (watts-based) ✔️\u003c\/li\u003e\r\n\t\u003cli data-end=\"2502\" data-section-id=\"8xa7g3\" data-start=\"2476\"\u003eRace pacing control ✔️\u003c\/li\u003e\r\n\t\u003cli data-end=\"2533\" data-section-id=\"6zc5rm\" data-start=\"2503\"\u003eReliable long-term data ✔️\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"2654\" data-start=\"2535\"\u003eBut it only makes sense if you’re already committed to a \u003cstrong data-end=\"2653\" data-start=\"2592\"\u003eSRAM Force AXS drivetrain and training with power metrics\u003c\/strong\u003e.\u003c\/p\u003e\r\n","brand":"Sram","offers":[{"title":"Default Title","offer_id":48156733047006,"sku":"00.3018.402.009","price":5040.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/23224_003018402009.jpg?v=1777036157","url":"https:\/\/online-bicycle-shop.co.za\/products\/sram-quarq-force-left-arm-spindle-dub-172-5mm-e1","provider":"Online Bicycle Shop","version":"1.0","type":"link"}