{"product_id":"shimano-dura-ace-fc-r9200-dura-ace-12-speed-double-chainset-52-36t-170-mm","title":"Shimano Dura-Ace FC-R9200 Dura-Ace 12-speed double chainset; 52 \/ 36T 170 mm","description":"\u003cul\u003e \u003cli\u003eThe HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders\u003c\/li\u003e \u003cli\u003eHollow outer chainring, giving vast improvements in rigidity and increased weight savings\u003c\/li\u003e \u003cli\u003eThe hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load\u003c\/li\u003e \u003cli\u003eThese industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength\u003c\/li\u003e \u003cli\u003eThe teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer\u003c\/li\u003e \u003cli\u003eThere is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines\u003c\/li\u003e \u003cli\u003eHollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency\u003c\/li\u003e \u003cli\u003eBottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability\u003c\/li\u003e \u003c\/ul\u003e","brand":"Shimano Dura-Ace","offers":[{"title":"52\/36T \/ 170mm","offer_id":43187367575709,"sku":"FCR9200C26","price":508.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/9434\/1977\/products\/cb120edd-cdda-4bb6-a2ed-3351840c02fa.jpg?v=1671195414","url":"https:\/\/www.bikeparts.co.uk\/products\/shimano-dura-ace-fc-r9200-dura-ace-12-speed-double-chainset-52-36t-170-mm","provider":"BikeParts.co.uk","version":"1.0","type":"link"}