{"product_id":"harddrive-20mm-rear-belt-133t-oe-40073-07-820-60021","title":"Harddrive 20MM REAR BELT 133T OE# 40073-07 — Harley-Davidson Softail Fat Boy, Softail Custom, Softail Night Train (2007-2011)","description":"\u003cp\u003eHarddrive 20MM rear belt with 133 teeth, engineered with carbon fiber reinforcement for V-Twin drivetrains. Synthetic rubber construction resists temperature extremes from -30°C to +130°C and operates quietly under load.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCarbon fiber tension member for superior strength versus aramid alternatives\u003c\/li\u003e\n  \u003cli\u003eSpecially treated tooth facing resists punctures and road debris\u003c\/li\u003e\n  \u003cli\u003eSynthetic rubber teeth deliver low noise and temperature stability\u003c\/li\u003e\n  \u003cli\u003eSynthetic rubber backing increases flexibility and width stability\u003c\/li\u003e\n  \u003cli\u003eOperates reliably from -30°C to +130°C\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harddrive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 21203000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191361537721\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Size:\u003c\/strong\u003e 20MM, 133 tooth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 14 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 14 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-Twin motorcycles using OEM part number 40073-07 rear belt specification.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs this a direct replacement for my OEM belt?\u003c\/h3\u003e\n\u003cp\u003eYes — this Harddrive belt matches OEM part number 40073-07 specification and fits any V-Twin that originally used that part.\u003c\/p\u003e\n\u003ch3\u003eWhat makes carbon fiber tension better than aramid?\u003c\/h3\u003e\n\u003cp\u003eCarbon fiber delivers higher structural strength and durability, reducing stretch and wear compared to traditional aramid reinforcement.\u003c\/p\u003e\n\u003ch3\u003eWill this belt handle cold winters?\u003c\/h3\u003e\n\u003cp\u003eYes — synthetic rubber construction maintains flexibility and grip from -30°C to +130°C, so winter riding is supported.\u003c\/p\u003e\n\u003ch3\u003eIs this belt made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — Harddrive manufactures this belt domestically.\u003c\/p\u003e\n\u003ch3\u003eHow do I know when to replace this belt?\u003c\/h3\u003e\n\u003cp\u003eInspect for visible cracks, fraying, or glazed teeth. Replace if you notice slipping or hear unusual noise under acceleration.\u003c\/p\u003e","brand":"Harddrive","offers":[{"title":"Default Title","offer_id":53036097503343,"sku":"820-60021","price":189.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/a156-677d62f4c7261_220d1ced-6931-426a-af9d-29eb4d264ab4.png?v=1777531668","url":"https:\/\/vtwinbikers.com\/products\/harddrive-20mm-rear-belt-133t-oe-40073-07-820-60021","provider":"Vtwinbikers","version":"1.0","type":"link"}