{"product_id":"q100453","title":"Crankset 50T in Black - Spider type","description":"\u003cp\u003eThe Brompton Crankset 50T in Black is a replacement set with left and right-hand crank, including chainring and chainguard, as found on all post-2013 Brompton Bikes.\u003cbr\u003e\nA standard 3 or 6-speed Brompton comes with a 50-tooth front chain ring.\u003cbr\u003e\nA standard 1 or 2-speed Brompton comes with a 54-tooth front chain ring - changing to 50 teeth will decrease the gearing by approx 7%.\u003cbr\u003e\nThe Bottom bracket is NOT included - If upgrading from the old fixed crankset then you will also need to change the bottom bracket (the old one was ISO standard and the new one is JIS standard).\u003c\/p\u003e\n\n\u003cp\u003eQ100453\u003c\/p\u003e","brand":"Brompton","offers":[{"title":"Default Title","offer_id":43048592605297,"sku":"Q100453","price":2490.0,"currency_code":"MXN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0017\/9001\/7595\/files\/Q100453_1__30085.1702913959.386.513.jpg?v=1772754556","url":"https:\/\/dfcc.mx\/products\/q100453","provider":"Distrito Fijo Club de Ciclismo","version":"1.0","type":"link"}