{"product_id":"shimano-m9100-10t-12t-12s-sprocket-wheel-cog-set-m8100-m7100-m6100-y1x498030","title":"SHIMANO M9100 10T\u002612T 12s Sprocket Wheel Cog Set M8100\/M7100\/M6100 Useable Y1X498030","description":"\u003cstyle\u003e\n  .yanzo-tab-container {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n    margin-top: 15px;\n    width: 100%;\n    box-sizing: border-box;\n  }\n\n  \/* 隐藏单选框原生的 radio 按钮 *\/\n  .yanzo-tab-container input[type=\"radio\"] {\n    display: none;\n  }\n\n  \/* 采用 4 列等宽网格（Grid 1:1:1:1），保证间距绝对均匀 *\/\n  .yanzo-tab-headers {\n    display: grid;\n    grid-template-columns: repeat(4, 1fr);\n    border-bottom: 2px solid #E5E7EB;\n    margin-bottom: 20px;\n    width: 100%;\n    text-align: center;\n  }\n\n  .yanzo-tab-headers label {\n    padding: 10px 0;\n    font-size: 11px;\n    font-weight: 700;\n    letter-spacing: 0.2px;\n    color: #6B7280;\n    background: none;\n    border-bottom: 2px solid transparent;\n    margin-bottom: -2px;\n    cursor: pointer;\n    text-transform: uppercase;\n    transition: all 0.2s ease;\n    white-space: nowrap;\n    overflow: hidden;\n    text-overflow: ellipsis;\n  }\n\n  \/* 选中状态下的 Tab 按钮样式 *\/\n  #tab-desc:checked ~ .yanzo-tab-headers label[for=\"tab-desc\"],\n  #tab-specs:checked ~ .yanzo-tab-headers label[for=\"tab-specs\"],\n  #tab-qa:checked ~ .yanzo-tab-headers label[for=\"tab-qa\"],\n  #tab-shipping:checked ~ .yanzo-tab-headers label[for=\"tab-shipping\"] {\n    color: #111827;\n    border-bottom-color: #111827;\n  }\n\n  \/* 内容面板默认隐藏 *\/\n  .yanzo-tab-panel {\n    display: none;\n  }\n\n  \/* 根据选中的 Radio 显示对应的内容面板 *\/\n  #tab-desc:checked ~ .yanzo-tab-content #content-desc,\n  #tab-specs:checked ~ .yanzo-tab-content #content-specs,\n  #tab-qa:checked ~ .yanzo-tab-content #content-qa,\n  #tab-shipping:checked ~ .yanzo-tab-content #content-shipping {\n    display: block;\n  }\n\n  \/* 详情页排版样式 *\/\n  .yanzo-h2 {\n    font-size: 17px;\n    font-weight: 800;\n    letter-spacing: 0.5px;\n    text-transform: uppercase;\n    margin: 0 0 6px 0;\n    color: #111827;\n  }\n  .yanzo-subhead {\n    font-size: 12px;\n    font-weight: 700;\n    text-transform: uppercase;\n    color: #4B5563;\n    margin: 0 0 12px 0;\n    letter-spacing: 0.3px;\n  }\n  .yanzo-intro {\n    font-size: 13px;\n    line-height: 1.6;\n    color: #4B5563;\n    margin-bottom: 20px;\n    padding-bottom: 16px;\n    border-bottom: 1px solid #F3F4F6;\n  }\n  .yanzo-features-title {\n    font-size: 14px;\n    font-weight: 800;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n    margin-bottom: 10px;\n  }\n  .yanzo-list {\n    margin: 0;\n    padding-left: 18px;\n  }\n  .yanzo-list li {\n    font-size: 13px;\n    line-height: 1.6;\n    color: #374151;\n    margin-bottom: 8px;\n  }\n  .yanzo-list li strong {\n    color: #111827;\n  }\n\n  \/* Q\u0026A 专属样式 *\/\n  .yanzo-qa-item {\n    margin-bottom: 16px;\n    padding-bottom: 12px;\n    border-bottom: 1px dashed #E5E7EB;\n  }\n  .yanzo-qa-item:last-child {\n    border-bottom: none;\n  }\n  .yanzo-qa-q {\n    font-size: 13px;\n    font-weight: 700;\n    color: #111827;\n    margin-bottom: 4px;\n    display: flex;\n    gap: 6px;\n  }\n  .yanzo-qa-a {\n    font-size: 13px;\n    line-height: 1.5;\n    color: #4B5563;\n    padding-left: 22px;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"yanzo-tab-container\"\u003e\n  \u003c!-- 隐藏的控制状态 Radio 按钮 --\u003e\n  \u003cinput type=\"radio\" id=\"tab-desc\" name=\"yanzo-tabs\" checked\u003e\n  \u003cinput type=\"radio\" id=\"tab-specs\" name=\"yanzo-tabs\"\u003e\n  \u003cinput type=\"radio\" id=\"tab-qa\" name=\"yanzo-tabs\"\u003e\n  \u003cinput type=\"radio\" id=\"tab-shipping\" name=\"yanzo-tabs\"\u003e\n\n  \u003c!-- 网格平分 4 个 Tab 按钮 --\u003e\n  \u003cdiv class=\"yanzo-tab-headers\"\u003e\n    \u003clabel for=\"tab-desc\"\u003eDETAILS\u003c\/label\u003e\n    \u003clabel for=\"tab-specs\"\u003eSPECS\u003c\/label\u003e\n    \u003clabel for=\"tab-qa\"\u003eQ\u0026amp;A\u003c\/label\u003e\n    \u003clabel for=\"tab-shipping\"\u003eSHIPPING\u003c\/label\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 选项卡对应的具体内容区域 --\u003e\n  \u003cdiv class=\"yanzo-tab-content\"\u003e\n    \u003c!-- 面板 1: DETAILS --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-desc\"\u003e\n      \u003cdiv class=\"yanzo-h2\"\u003eSHIMANO 12-SPEED 10T \u0026amp; 12T SPROCKET SET\u003c\/div\u003e\n      \u003cdiv class=\"yanzo-subhead\"\u003eGENUINE REPLACEMENT SPROCKET SET FOR MICRO SPLINE CASSETTES\u003c\/div\u003e\n      \u003cdiv class=\"yanzo-intro\"\u003e\n        Restore smooth shifting and power transfer on your Shimano 12-speed drivetrain with genuine replacement sprockets. High-speed 10T and 12T cogs naturally experience the most wear from high-torque riding; replacing them extends the overall lifespan of your 10-51T cassette.\n      \u003c\/div\u003e\n      \u003cdiv class=\"yanzo-features-title\"\u003eFEATURES\u003c\/div\u003e\n      \u003cul class=\"yanzo-list\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eGenuine Shimano Small Parts:\u003c\/strong\u003e Factory replacement 10T and 12T sprocket set engineered for precise shifting performance and ramp alignment.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBroad 12-Speed Compatibility:\u003c\/strong\u003e Designed for XTR CS-M9100 and fully compatible with DEORE XT CS-M8100, SLX CS-M7100, and DEORE CS-M6100 10-51T cassettes.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHyperglide+ Technology:\u003c\/strong\u003e Precision tooth profiling ensures seamless upshifts and downshifts under heavy pedaling load.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost-Effective Maintenance:\u003c\/strong\u003e Replaces worn smallest cogs without the need to purchase an entire expensive cassette assembly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOEM Bulk Packaged:\u003c\/strong\u003e Factory-fresh genuine components delivered in workshop packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 面板 2: SPECS --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-specs\"\u003e\n      \u003cul class=\"yanzo-list\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SHIMANO\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eModel \/ MPN:\u003c\/strong\u003e Y1X498030\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTooth Count:\u003c\/strong\u003e 10T \u0026amp; 12T (Matched Pair\/Set)\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCassette Compatibility:\u003c\/strong\u003e Shimano 12-Speed 10-51T Cassettes (CS-M9100, CS-M8100, CS-M7100, CS-M6100)\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFreehub Body Interface:\u003c\/strong\u003e Shimano Micro Spline\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Genuine Shimano Workshop \/ Bulk Packaging\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 面板 3: Q\u0026A --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-qa\"\u003e\n      \u003cdiv class=\"yanzo-qa-item\"\u003e\n        \u003cdiv class=\"yanzo-qa-q\"\u003e\n\u003cspan\u003eQ:\u003c\/span\u003e Can I use this sprocket set on DEORE XT, SLX, or DEORE 12-speed cassettes?\u003c\/div\u003e\n        \u003cdiv class=\"yanzo-qa-a\"\u003eA: Yes! While originally listed under XTR, MPN Y1X498030 is fully compatible with Shimano CS-M8100 (XT), CS-M7100 (SLX), and CS-M6100 (DEORE) 10-51T 12-speed cassettes.\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"yanzo-qa-item\"\u003e\n        \u003cdiv class=\"yanzo-qa-q\"\u003e\n\u003cspan\u003eQ:\u003c\/span\u003e Are the 10T and 12T sprockets sold together?\u003c\/div\u003e\n        \u003cdiv class=\"yanzo-qa-a\"\u003eA: Yes, this genuine Shimano repair part (MPN: Y1X498030) comes as a paired set containing both the 10T and 12T outer sprockets.\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"yanzo-qa-item\"\u003e\n        \u003cdiv class=\"yanzo-qa-q\"\u003e\n\u003cspan\u003eQ:\u003c\/span\u003e Why should I replace only the 10T and 12T sprockets?\u003c\/div\u003e\n        \u003cdiv class=\"yanzo-qa-a\"\u003eA: Because small cogs have fewer teeth to distribute chain load, they wear faster than larger cogs. Replacing worn 10T and 12T cogs eliminates chain slipping under heavy sprinting or descending without replacing the whole cassette.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 面板 4: SHIPPING --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-shipping\"\u003e\n      \u003cul class=\"yanzo-list\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eProcessing Time:\u003c\/strong\u003e Ships within 24–48 hours from our California warehouse.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e Standard shipping usually arrives within 3–7 business days across the US mainland.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTracking:\u003c\/strong\u003e Tracking information will be emailed immediately once your package is dispatched.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":53805252215084,"sku":"MK216-US","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/3357\/5212\/files\/Shimano_XTR_CS-M9100_10T_and_12T_Replacement_Sprocket_Wheel.jpg?v=1787311555","url":"https:\/\/yanzocycling.com\/products\/shimano-m9100-10t-12t-12s-sprocket-wheel-cog-set-m8100-m7100-m6100-y1x498030","provider":"YanzoCycling","version":"1.0","type":"link"}