{"product_id":"shimano-sf-1200-freewheel-for-1-2-x-1-8-chain","title":"Shimano SF-1200 Freewheel for 1\/2\" x 1\/8\" Chain","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eShimano SF-1200 Freewheel for 1\/2\" x 1\/8\" Chain\u003c\/strong\u003e is a straightforward, reliable single-speed freewheel built for fixed-gear bikes, city riders, and track setups running standard 1\/8\" chain. Shimano-engineered internals mean smooth engagement and consistent durability across daily riding — whether that's commuting, messenger work, or casual track sessions.\u003c\/p\u003e\n\u003cp\u003eAvailable in 16t, 18t, and 20t, the SF-1200 gives you a practical range of gearing options to suit your cadence and terrain. It threads onto any standard freewheel-compatible rear hub, making it an easy replacement or build component.\u003c\/p\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n\u003cli\u003eCompatible chain: 1\/2\" x 1\/8\"\u003c\/li\u003e\n\u003cli\u003eAvailable teeth: 16t, 18t, 20t\u003c\/li\u003e\n\u003cli\u003eFitment: Standard threaded freewheel hub\u003c\/li\u003e\n\u003cli\u003eBrand: Shimano\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"No Color \/ 16t","offer_id":43520337215532,"sku":"ISF120016","price":49.0,"currency_code":"USD","in_stock":true},{"title":"No Color \/ 18t","offer_id":43520337281068,"sku":"ISF120018","price":49.0,"currency_code":"USD","in_stock":true},{"title":"No Color \/ 20t","offer_id":43520337313836,"sku":"ISF120020","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/shimano-sf-1200-freewheel-for-12-x-18-chain-3999356.jpg?v=1771297568","url":"https:\/\/ricycles.com\/products\/shimano-sf-1200-freewheel-for-1-2-x-1-8-chain","provider":"RA Cycles","version":"1.0","type":"link"}