{"product_id":"shimano-ultegra-cn-m8100-12speed-138l","title":"Shimano Ultegra CN-M8100 12Speed 138L","description":"\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003ePrecision Linked.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\" id=\"p-rc_3d1ca06279467ddb-1066\"\u003eThe CN-M8100 features an extended inner plate design that provides superior chain retention on both the chainring and the cassette. \u003cspan class=\"citation-2087\"\u003eThis \u003c\/span\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"137\"\u003e\u003cspan class=\"citation-2087\"\u003eDynamic Chain Engagement+\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2087 citation-end-2087\"\u003e technology minimizes \"pedaling shock\" and chain noise, creating a ride feel that is noticeably smoother than standard 12Speed chains.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e With the extra length of \u003cb data-path-to-node=\"3\" data-index-in-node=\"323\"\u003e138L\u003c\/b\u003e, this version is the ideal choice for long-travel enduro bikes, high-pivot suspension designs, or large-range gravel setups that require more chain than a standard road bike.\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eWhy the CN-M8100 is the Performance Standard:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\" id=\"p-rc_3d1ca06279467ddb-1067\"\u003e\u003cspan class=\"citation-2086\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-2086\"\u003eHYPERGLIDE+ Technology:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2086 citation-end-2086\"\u003e Designed to work perfectly with Shimano's 12Speed cassettes, allowing you to shift both up and down the block while maintaining constant pedaling pressure.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\" id=\"p-rc_3d1ca06279467ddb-1068\"\u003e\u003cspan class=\"citation-2085\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-2085\"\u003eSIL-TEC Surface Treatment:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2085 citation-end-2085\"\u003e An advanced plating process using embedded fluorine particles.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-2084 citation-end-2084\"\u003eThis ultra-low friction coating makes the chain run smoother, quieter, and significantly extends its lifespan in mud and grit.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003e138L Length:\u003c\/b\u003e The extended length makes this SKU a \"must-have\" for e-MTBs and modern mountain bikes with long chainstays or high-pivot idler pulleys where a standard 126L chain just won't reach.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\" id=\"p-rc_3d1ca06279467ddb-1069\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eChromizing Treatment:\u003c\/b\u003e\u003cspan class=\"citation-2083 citation-end-2083\"\u003e The roller link pins are treated with chrome for maximum hardness and wear resistance, ensuring the chain maintains its precision index for thousands of kilometers.\u003csup class=\"superscript\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"0\"\u003eE-Bike Rated:\u003c\/b\u003e Fully approved for the high-torque demands of Shimano STEPS and other mid-drive motor systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,5,0\" id=\"p-rc_3d1ca06279467ddb-1070\"\u003e\u003cb data-path-to-node=\"5,5,0\" data-index-in-node=\"0\"\u003eQuick-Link Included:\u003c\/b\u003e\u003cspan class=\"citation-2082\"\u003e Comes with the \u003c\/span\u003e\u003cb data-path-to-node=\"5,5,0\" data-index-in-node=\"36\"\u003e\u003cspan class=\"citation-2082\"\u003eSM-CN910-12 Quick-Link\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2082 citation-end-2082\"\u003e for fast, tool-free assembly (though we always recommend a master link tool for the easiest install).\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eModel:\u003c\/b\u003e CN-M8100\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\" id=\"p-rc_3d1ca06279467ddb-1071\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eSeries:\u003c\/b\u003e\u003cspan class=\"citation-2081 citation-end-2081\"\u003e Deore XT M8100 \/ Ultegra R8100\u003csup class=\"superscript\" data-turn-source-index=\"8\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\" id=\"p-rc_3d1ca06279467ddb-1072\"\u003e\u003cspan class=\"citation-2080\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-2080\"\u003eSpeeds:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2080 citation-end-2080\"\u003e 12Speed\u003csup class=\"superscript\" data-turn-source-index=\"9\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\" id=\"p-rc_3d1ca06279467ddb-1073\"\u003e\u003cspan class=\"citation-2079\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-2079\"\u003eLength:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2079 citation-end-2079\"\u003e 138L\u003csup class=\"superscript\" data-turn-source-index=\"10\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\" id=\"p-rc_3d1ca06279467ddb-1074\"\u003e\u003cspan class=\"citation-2078\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-2078\"\u003eWeight:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2078 citation-end-2078\"\u003e ~252g (at 116 links)\u003csup class=\"superscript\" data-turn-source-index=\"11\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\" id=\"p-rc_3d1ca06279467ddb-1075\"\u003e\u003cb data-path-to-node=\"7,5,0\" data-index-in-node=\"0\"\u003eTreatment:\u003c\/b\u003e\u003cspan class=\"citation-2077 citation-end-2077\"\u003e SIL-TEC (Roller link) \/ Chromizing (Pin)\u003csup class=\"superscript\" data-turn-source-index=\"12\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,6,0\" id=\"p-rc_3d1ca06279467ddb-1076\"\u003e\u003cb data-path-to-node=\"7,6,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e\u003cspan class=\"citation-2076 citation-end-2076\"\u003e Shimano 12Speed Drivetrains (MTB \u0026amp; Road)\u003csup class=\"superscript\" data-turn-source-index=\"13\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"9,0\"\u003e\u003cb data-path-to-node=\"9,0\" data-index-in-node=\"0\"\u003eThe Alegro Perspective:\u003c\/b\u003e This is the chain we keep in the workshop \"for the big bikes.\" If you are building an e-bike or a long-travel 29er, the 138L version of the XT chain is your best friend. It offers the exact same shifting quality as XTR but with a focus on durability that makes it the smarter choice for daily training and aggressive trail riding. It’s the \"sweet spot\" of the Shimano range—unrivaled performance without the premium price of the flagship model.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eSmooth Shifting. Enhanced Retention. Conquer Any Trail with Shimano XT.\u003c\/b\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":48576869105887,"sku":"ICNM8100138Q","price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5452\/3103\/files\/500352-01_1.jpg?v=1773089645","url":"https:\/\/alegrocycles.com\/products\/shimano-ultegra-cn-m8100-12speed-138l","provider":"Alegro Cycles","version":"1.0","type":"link"}