{"product_id":"grx-rd-rx820-3","title":"GRX RD-RX820","description":"\u003cul\u003eWith an integrated chain stabilizer mechanism, the GRX rear derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an on\/off switch for the chain tensioner. The RD-RX820 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max.\u003cbr\u003e\u003cli\u003e GRX 12 speed rear derailleur for double cranks\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e Adjustable chain stabilizer prevents chain slapping and drops\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e Gravel-tuned clutch tension can be toggled ON\/OFF to match the terrain\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e Maximum front difference: 17T\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e Total capacity: 42T\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e Low sprocket: Max. 34T\/Min. 30T\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e Top sprocket: 11T\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eAttributes\u003c\/h6\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Front Difference\u003c\/td\u003e\n\u003ctd\u003e17T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Cog\u003c\/td\u003e\n\u003ctd\u003e34T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Cog\u003c\/td\u003e\n\u003ctd\u003e11T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Color\u003c\/td\u003e\n\u003ctd\u003eGrey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCage\u003c\/td\u003e\n\u003ctd\u003eGS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRD Capacity\u003c\/td\u003e\n\u003ctd\u003e42T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRD Spring Type\u003c\/td\u003e\n\u003ctd\u003eShadow Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Shimano","offers":[{"title":"Shimano, GRX RD-RX820, Rear Derailleur, Speed: 12, Cage: GS, Grey","offer_id":42895965159472,"sku":"240318-01","price":184.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/1512\/0688\/files\/240318-01_1_ddee4e4a-1097-4c7b-9beb-1da40be8ea6b.jpg?v=1775061947","url":"https:\/\/boutique.ecycliste.ca\/products\/grx-rd-rx820-3","provider":"e-Cycliste","version":"1.0","type":"link"}