{"product_id":"shimano-grx-fc-rx820-1x12s-42t-crankset","title":"Shimano GRX FC-RX820 1x12s 42T Crankset","description":"\u003ch3\u003eWide array of options delivers optimal gravel gearing for variety of riders\u003c\/h3\u003e \n \n\u003cp\u003eThe SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.\u003c\/p\u003e \n \n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e \n \n\u003cul\u003e \n \u003cli\u003eOptimal gearing for mixed-terrain riding\u003c\/li\u003e \n \u003cli\u003e10-45T and 10-51T cassette options serve array of riding styles\u003c\/li\u003e \n \u003cli\u003e42T and 40T chainrings available\u003c\/li\u003e \n\u003c\/ul\u003e \n \n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e \n \n\u003cul\u003e \n \u003cli\u003eMODEL NO: FC-RX820-1\u003c\/li\u003e \n \u003cli\u003eSERIES: GRX 12-speed\u003c\/li\u003e \n \u003cli\u003eAverage weight: 656 (42T)\u003c\/li\u003e \n \u003cli\u003eRear speeds: 12\u003c\/li\u003e \n \u003cli\u003eCompatible chain: HG 12-speed\u003c\/li\u003e \n \u003cli\u003eChain line (mm): 49.7\u003c\/li\u003e \n \u003cli\u003eP.C.D. (mm): 110\u003c\/li\u003e \n \u003cli\u003eSpider\/gear arms: 4\u003c\/li\u003e \n \u003cli\u003eChainring combination: 40T\u003c\/li\u003e \n \u003cli\u003eQ-factor (mm): 151\u003c\/li\u003e \n \u003cli\u003eCrank arm length (mm): 170\u003c\/li\u003e \n \u003cli\u003eRecommended bottom bracket|Threaded (normal): SM-BBR60\u003c\/li\u003e \n \u003cli\u003eRecommended bottom bracket|Press-Fit: SM-BB72\u003c\/li\u003e \n \u003cli\u003eThreaded bottom bracket shell width (mm): 68\/70\u003c\/li\u003e \n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"42T \/ 172.5mm","offer_id":44168180957226,"sku":"IFCRX8201DXB2","price":299.0,"currency_code":"AUD","in_stock":false}],"url":"https:\/\/cyclesy.cc\/products\/shimano-grx-fc-rx820-1x12s-42t-crankset","provider":"Cyclesy","version":"1.0","type":"link"}