{"product_id":"surly-track-cog-3-32-x-17t-silver","title":"Surly Track Cog 3\/32'' X 17t Silver","description":"\u003cp\u003eSurly track cogs are threaded the same as a BMX freewheel (1.375 x 24 tpi right-hand threads). This means that they will fit on single-speed rear hubs, as well as BMX freewheel hubs, but this application is not recommended. Track cogs are meant to work on track hubs only.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e415 hardened chromoly steel\u003c\/li\u003e\n\u003cli\u003e1.375\" x 24 tpi\u003c\/li\u003e\n\u003cli\u003ePhoto for color and material reference only\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Surly","offers":[{"title":"Default Title","offer_id":48317235364080,"sku":"FW2085","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/3592\/3952\/files\/3844_FW2085_5ed39e56-579e-48bd-81e5-d791f67371ae.jpg?v=1780210537","url":"https:\/\/coloradocyclist.com\/products\/surly-track-cog-3-32-x-17t-silver","provider":"Colorado Cyclist","version":"1.0","type":"link"}