{"product_id":"shimano-grx-rd-rx820","title":"GRX RD-RX820","description":"\u003cul\u003e\n\u003cli\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.\u003c\/li\u003e\n\u003cli\u003eGRX 12 speed rear derailleur for double cranks\u003c\/li\u003e\n\u003cli\u003eAdjustable chain stabilizer prevents chain slapping and drops\u003c\/li\u003e\n\u003cli\u003eGravel-tuned clutch tension can be toggled ON\/OFF to match the terrain\u003c\/li\u003e\n\u003cli\u003eMaximum front difference: 17T\u003c\/li\u003e\n\u003cli\u003eTotal capacity: 42T\u003c\/li\u003e\n\u003cli\u003eLow sprocket: Max. 34T\/Min. 30T\u003c\/li\u003e\n\u003cli\u003eTop sprocket: 11T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":67991438426356,"sku":"240318-01","price":184.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/2202\/3412\/files\/240318-01_1.jpg?v=1793333425","url":"https:\/\/elphicycles.com\/products\/shimano-grx-rd-rx820","provider":"Elphinstone Cycles","version":"1.0","type":"link"}