{"product_id":"chain-keeper-chain-retention-device","title":"Chain Keeper Chain Retention Device","description":"\u003cp\u003eMounted in place of a front derailleur, the Chain Keeper works with single and 1x multi speed drivetrains using a narrow chain. The chain block surrounds the chain as it meets the chainring and prevents it from skipping off.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eAccommodates a range of chain line measurements and chainring sizes\u003c\/li\u003e\n\u003cli\u003eNot designed for downhill\/freeride\/big hit use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Paul Component Engineering","offers":[{"title":"28.6 (1-1\/8\")","offer_id":50176490012920,"sku":"600","price":107.0,"currency_code":"USD","in_stock":true},{"title":"34.9 (1-3\/8\")","offer_id":50176490045688,"sku":"620","price":107.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0357\/3930\/4074\/files\/CH8805.jpg?v=1786993634","url":"https:\/\/shopbikesupply.com\/products\/chain-keeper-chain-retention-device","provider":"Sierra Bicycle Supply","version":"1.0","type":"link"}