{"product_id":"electro-co-etm-rtr-73t-rear-sprocket","title":"Electro \u0026 Co ETM RTR 73T Rear Sprocket","description":"\u003cp\u003eThe Electro \u0026amp; Co ETM RTR 73T Rear Sprocket is an OEM replacement sprocket for the ETM RTR final drive system. It fits directly into the factory drivetrain configuration, transferring chain power to the rear wheel without modification. Replacing a worn or damaged sprocket restores consistent power delivery and keeps the drivetrain running as intended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eETM RTR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 73-tooth rear sprocket is a direct OEM match for the ETM RTR, designed to slot into the factory drivetrain without adjustment. Worn sprockets cause chain skip, uneven power transfer, and accelerated chain wear; swapping to a fresh OEM-spec unit brings the drivetrain back to factory performance. Built to the same tooth profile and pitch as the original, this sprocket maintains proper chain engagement across the full RPM range. A straightforward replacement for riders refreshing a high-mileage drivetrain or recovering from a damaged component.\u003c\/p\u003e","brand":"Electro \u0026 Co","offers":[{"title":"Default Title","offer_id":51581883777253,"sku":"RTR73TRS","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0511\/3964\/1496\/files\/6fee6bfc-00e1-4308-8ebc-ea3ca8122a6a.jpg?v=1785728617","url":"https:\/\/gritshift.com\/products\/electro-co-etm-rtr-73t-rear-sprocket","provider":"GritShift","version":"1.0","type":"link"}