{"product_id":"chain-line-checker","title":"Chain Line Checker","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: black; mso-color-alt: windowtext; background: white;\" lang=\"EN-US\"\u003e\u003cspan style=\"color: rgb(254, 16, 16);\"\u003e\u003cstrong\u003eChain Line Checker\u003c\/strong\u003e\u003c\/span\u003e is a tool to check the alignment between the front and rear chainlines for a single speed bike. \u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"background: white;\" lang=\"EN-US\"\u003eRegardless of the quality of the chainring, the misalignment causes the chain to run diagonally, resulting in increased friction, power loss, accelerated wear on drivetrain and noise. \u003c\/span\u003e\u003cspan style=\"background: white;\" lang=\"EN-US\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan lang=\"EN-US\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe correct chainline maximizes performance and potentially helps\u003c\/span\u003e \u003cspan style=\"color: #ee0000;\"\u003ebeat your personal bes\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif; color: rgb(255, 42, 0); background: white;\" lang=\"EN-US\"\u003et\u003c\/span\u003e\u003cspan lang=\"EN-US\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e!\u003c\/span\u003e\u003cspan style=\"mso-spacerun: yes;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e \u003c\/span\u003e \u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSo, it’s important to check the chainline!\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: black; mso-color-alt: windowtext; background: white;\" lang=\"EN-US\"\u003eThe tool has 2 different sized grooves, one for 1\/8 (thick) and one for 3\/32 (thin). Use either side depending on the width of your chainring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"background: white;\" lang=\"EN-US\"\u003e\u003c\/span\u003e\u003cspan\u003eSize :  For 1\/8\" and 3\/32\" chainring\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMaterial : Aluminum\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003cb\u003eHow To Use\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e① Remove the chain and make sure that the chainring and rear sprocket are securely installed.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eThen, turn the bike upside down.\u003cbr\u003e② Fit the groove on Chain Line Checker over the chainring teeth.\u003cbr\u003e③ Look at the sprocket on the other side through the upper groove on Chain Line Checker.\u003cbr\u003e*Position your eye \u003cb\u003e\u003cu\u003edirectly in line\u003c\/u\u003e\u003c\/b\u003e with the groove so that the far end of the groove is perfectly centered in your vision.\u003cbr\u003e④ Depending on how the sprocket appears, the front and rear chainline alignment can be examined. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eIf the front and rear chainlines are exactly the same, the rear sprocket appears in the exact middle of Chain Line Checker.\u003c\/span\u003e\u003cspan lang=\"EN-US\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN-US\"\u003eIf the front and rear chainlines don’t match up, the rear sprocket won’t sit in the middle of the Chain Line Checker.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eThe chainline needs to be adjusted.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eThe chainline can be adjusted by adding BB spacer BC1.37 or Crank Spacer DIA24 (sold separately).\u003c\/span\u003e\u003c\/p\u003e","brand":"SUGINO STORE","offers":[{"title":"Default Title","offer_id":46476060754051,"sku":null,"price":8400.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/9165\/2995\/files\/toolChainLineChecker.jpg?v=1771398174","url":"https:\/\/sugino-store.com\/products\/chain-line-checker","provider":"SUGINO STORE","version":"1.0","type":"link"}