{"product_id":"freewheel-csr920012130","title":"Shimano CS-R9200 Dura-Ace 12-speed cassette","description":"\u003cp\u003eShimano CS-R9200 Dura-Ace 12-speed cassette.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuper lightweight 12speed HG+ cassette with a rigid carbon and alloy carrier for excellent shifting even under the most demanding gear changes\u003c\/li\u003e\n\u003cli\u003eHyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load\u003c\/li\u003e\n\u003cli\u003eClose ratio gearing allows a more efficient use of energy through finer cadence control\u003c\/li\u003e\n\u003cli\u003eLargest sprockets are mounted on lightweight alloy and carbon carriers to reduce weight and increase rigidity\u003c\/li\u003e\n\u003cli\u003e5 largest sprockets are made from titanium to reduce weight without sacrificing strength\u003c\/li\u003e\n\u003cli\u003eSprockets are extensively cut away and drilled to further reduce weight without reducing rigidity\u003c\/li\u003e\n\u003cli\u003eNickel-plated finish offers hard wearing resistance to corrosion\u003c\/li\u003e\n\u003cli\u003eAlloy cassette lockring\u003c\/li\u003e\n\u003cli\u003eFor Super Narrow 12-speed chains\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelect the required ratio to suit your bicycle or equipment.\u003c\/p\u003e","brand":"Freewheel \/ Madison","offers":[{"title":"11 - 30T","offer_id":55543845126486,"sku":"CSR920012130","price":329.99,"currency_code":"GBP","in_stock":true},{"title":"11 - 34T","offer_id":55543845159254,"sku":"CSR920012134","price":329.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/1425\/4166\/files\/ftp_f_freewheel_imagesmadisonfwaccessoriescsr9200_1.jpg?v=1790788035","url":"https:\/\/substancecycles.co.uk\/products\/freewheel-csr920012130","provider":"Substance Cycles","version":"1.0","type":"link"}