{"product_id":"shimano-acera-rd-m3020-sgs-rear-derailleur-8-speed-mountain-bike-compatible","title":"Shimano Acera RD-M3020 SGS Rear Derailleur 8-Speed Mountain Bike Compatible","description":"\u003cp\u003eThe Shimano Acera RD-M3020 rear derailleur offers reliable shifting performance designed specifically for mountain biking. Featuring oversized 13-tooth pulleys, it reduces noise and wear while providing a wide gear range for versatile trail riding. Its light-action operation ensures smooth, precise gear changes every time.\u003c\/p\u003e\n\n\u003cp\u003eThanks to an extension spring and low-friction fluorine-coated pivot, shifting requires minimal effort, enhancing your riding experience. Compatible with IG and HG chains and supporting 7- and 8-speed setups, this derailleur integrates seamlessly with Rapidfire shifters for quick, responsive gear transitions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsuring smooth and quiet gear changes on mountain bikes\u003c\/li\u003e\n  \u003cli\u003eProviding a wide gear range for varied terrain\u003c\/li\u003e\n  \u003cli\u003eReducing wear and extending component life with oversized pulleys\u003c\/li\u003e\n  \u003cli\u003eLight shifting action that enhances riding comfort\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with drivetrains outside 7- and 8-speed compatibility\u003c\/li\u003e\n  \u003cli\u003eApplications requiring ultra-lightweight or race-specific components\u003c\/li\u003e\n  \u003cli\u003eRoad bike setups that demand different derailleur specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this derailleur compatible with 9-speed systems?\u003c\/strong\u003e\u003cbr\u003eNo, the Shimano Acera RD-M3020 is designed for 7- and 8-speed systems only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this derailleur with Rapidfire shifters?\u003c\/strong\u003e\u003cbr\u003eYes, it features a top normal spring optimized for use with Rapidfire shifters.\u003c\/p\u003e","brand":"Shimano Acera","offers":[{"title":"Default Title","offer_id":45478629736623,"sku":"RDM30208SGSL","price":33.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1632477128-34642200.jpg?v=1768524493","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-acera-rd-m3020-sgs-rear-derailleur-8-speed-mountain-bike-compatible","provider":"Swinnerton Cycles","version":"1.0","type":"link"}