{"product_id":"shimano-acera-fc-m391-22t-inner-chainring-with-chain-protector-for-9-speed-bikes","title":"Shimano Acera FC-M391 22T Inner Chainring with Chain Protector for 9-Speed Bikes","description":"\u003cp\u003eThe Shimano Acera FC-M391 22T inner chainring is engineered to deliver reliable performance and durability for your mountain bike. Crafted with precision, it ensures smooth and accurate shifting even under demanding conditions. Its lightweight yet rigid design enhances power transfer, making every pedal stroke more efficient.\u003c\/p\u003e\n\n\u003cp\u003eSpecifically designed for Shimano’s 9-speed HG chains, this genuine replacement part fits seamlessly with your FC-M391 triple chainset. The integrated chain protector helps reduce wear and extends the life of your drivetrain components, keeping your ride smooth and trouble-free.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacing worn or damaged inner chainrings for consistent shifting\u003c\/li\u003e\n  \u003cli\u003eEnhancing power transfer and pedaling efficiency on 9-speed setups\u003c\/li\u003e\n  \u003cli\u003eEnsuring compatibility with Shimano FC-M391 triple chainsets\u003c\/li\u003e\n  \u003cli\u003eReducing chain wear with the built-in chain protector\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 non-Shimano or incompatible chainsets\u003c\/li\u003e\n  \u003cli\u003eSingle speed or non-9-speed drivetrains\u003c\/li\u003e\n  \u003cli\u003eApplications requiring chainrings with different tooth counts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this chainring compatible with other Shimano groupsets?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for the FC-M391 9-speed triple chainset and may not fit other groupsets properly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include mounting bolts?\u003c\/strong\u003e\u003cbr\u003eThis listing includes only the chainring; mounting bolts need to be sourced separately if not already available.\u003c\/p\u003e","brand":"Shimano Acera","offers":[{"title":"Default Title","offer_id":45478486311087,"sku":"Y1ME98020","price":5.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1445610469-11711600.jpg?v=1768521882","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-acera-fc-m391-22t-inner-chainring-with-chain-protector-for-9-speed-bikes","provider":"Swinnerton Cycles","version":"1.0","type":"link"}