{"id":90153,"date":"2025-03-17T18:24:00","date_gmt":"2025-03-17T23:24:00","guid":{"rendered":"https:\/\/discountrcparts.com\/index.php\/product\/unibody-hd-steel-differential-lock-micro-b\/"},"modified":"2026-04-02T17:11:45","modified_gmt":"2026-04-02T22:11:45","slug":"hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r","status":"publish","type":"product","link":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/","title":{"rendered":"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool"},"content":{"rendered":"<p data-start=\"66\" data-end=\"524\">Improve the durability and power transfer of your Losi Micro-B with the Hot Racing Unibody HD Steel Differential Lock. This CNC-machined solid billet steel locker spool replaces the stock differential, eliminating differential action to provide consistent power to both rear wheels for enhanced traction and performance on rough terrain. The black oxide finish offers corrosion resistance, ensuring long-lasting reliability.<\/p>\n<h3 data-start=\"526\" data-end=\"545\"><strong data-start=\"530\" data-end=\"543\">Includes:<\/strong><\/h3>\n<ul data-start=\"546\" data-end=\"588\">\n<li data-start=\"546\" data-end=\"588\">(1) Unibody Locker Spool with Gear<\/li>\n<\/ul>\n<h3 data-start=\"590\" data-end=\"621\"><strong data-start=\"594\" data-end=\"619\">Required to Complete:<\/strong><\/h3>\n<ul data-start=\"622\" data-end=\"813\">\n<li>Light coating of grease on gears (recommended)<\/li>\n<\/ul>\n<h3 data-start=\"815\" data-end=\"834\"><strong data-start=\"819\" data-end=\"832\">Features:<\/strong><\/h3>\n<ul data-start=\"835\" data-end=\"1163\">\n<li data-start=\"835\" data-end=\"910\">CNC-machined solid billet steel construction for extreme durability<\/li>\n<li data-start=\"911\" data-end=\"969\">Direct replacement for the stock rear differential<\/li>\n<li data-start=\"970\" data-end=\"1059\">Eliminates differential action for maximum traction and consistent power delivery<\/li>\n<li data-start=\"1060\" data-end=\"1111\">Black oxide finish for corrosion protection<\/li>\n<li data-start=\"1112\" data-end=\"1163\">Compatible with gear for rear differentials<\/li>\n<li>Reuses existing Idler Gear, Top Shaft, and associated components<\/li>\n<\/ul>\n<h3 data-start=\"1165\" data-end=\"1189\"><strong data-start=\"1169\" data-end=\"1187\">Compatibility:<\/strong><\/h3>\n<ul data-start=\"1190\" data-end=\"1219\">\n<li data-start=\"1190\" data-end=\"1219\">Losi Micro-B<\/li>\n<\/ul>\n<p data-start=\"1221\" data-end=\"1366\" data-is-last-node=\"\" data-is-only-node=\"\">Upgrade your Losi Micro-B with Hot Racing\u2019s HD Steel Differential Lock for better acceleration, durability, and off-road performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Improve the durability and power transfer of your Losi Micro-B with the Hot Racing Unibody HD Steel Differential Lock. This CNC-machined solid billet steel locker spool replaces the stock differential, eliminating differential action to provide consistent power to both rear wheels for enhanced traction and performance on rough terrain. The black oxide finish offers corrosion [&hellip;]<\/p>\n","protected":false},"featured_media":90171,"template":"","meta":[],"product_brand":[],"product_cat":[479,656],"product_tag":[],"class_list":{"0":"post-90153","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-hot-racing","7":"product_cat-micro-b","8":"product_shipping_class-saver","10":"first","11":"outofstock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool - Discount RC Parts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool - Discount RC Parts\" \/>\n<meta property=\"og:description\" content=\"Improve the durability and power transfer of your Losi Micro-B with the Hot Racing Unibody HD Steel Differential Lock. This CNC-machined solid billet steel locker spool replaces the stock differential, eliminating differential action to provide consistent power to both rear wheels for enhanced traction and performance on rough terrain. The black oxide finish offers corrosion [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/\" \/>\n<meta property=\"og:site_name\" content=\"Discount RC Parts\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-02T22:11:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/\",\"url\":\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/\",\"name\":\"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool - Discount RC Parts\",\"isPartOf\":{\"@id\":\"https:\/\/discountrcparts.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp?fit=1000%2C1000&ssl=1\",\"datePublished\":\"2025-03-17T23:24:00+00:00\",\"dateModified\":\"2026-04-02T22:11:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#primaryimage\",\"url\":\"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp?fit=1000%2C1000&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp?fit=1000%2C1000&ssl=1\",\"width\":1000,\"height\":1000,\"caption\":\"Hot Racing Losi Micro-B Unibody HD Steel Differential Lock (LMCB125R)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/discountrcparts.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/discountrcparts.com\/#website\",\"url\":\"https:\/\/discountrcparts.com\/\",\"name\":\"Discount RC Parts\",\"description\":\"RC cars, parts and supplies at bargain pricing.\",\"publisher\":{\"@id\":\"https:\/\/discountrcparts.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/discountrcparts.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/discountrcparts.com\/#organization\",\"name\":\"Discount RC Parts, LLC\",\"url\":\"https:\/\/discountrcparts.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/discountrcparts.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2021\/01\/Discount-RC-Parts-logo-round-300x300-1.jpg?fit=300%2C300&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2021\/01\/Discount-RC-Parts-logo-round-300x300-1.jpg?fit=300%2C300&ssl=1\",\"width\":300,\"height\":300,\"caption\":\"Discount RC Parts, LLC\"},\"image\":{\"@id\":\"https:\/\/discountrcparts.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool - Discount RC Parts","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/","og_locale":"en_US","og_type":"article","og_title":"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool - Discount RC Parts","og_description":"Improve the durability and power transfer of your Losi Micro-B with the Hot Racing Unibody HD Steel Differential Lock. This CNC-machined solid billet steel locker spool replaces the stock differential, eliminating differential action to provide consistent power to both rear wheels for enhanced traction and performance on rough terrain. The black oxide finish offers corrosion [&hellip;]","og_url":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/","og_site_name":"Discount RC Parts","article_modified_time":"2026-04-02T22:11:45+00:00","og_image":[{"width":1000,"height":1000,"url":"https:\/\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/","url":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/","name":"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool - Discount RC Parts","isPartOf":{"@id":"https:\/\/discountrcparts.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#primaryimage"},"image":{"@id":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp?fit=1000%2C1000&ssl=1","datePublished":"2025-03-17T23:24:00+00:00","dateModified":"2026-04-02T22:11:45+00:00","breadcrumb":{"@id":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#primaryimage","url":"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp?fit=1000%2C1000&ssl=1","contentUrl":"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/HRALMCB125R_01.webp?fit=1000%2C1000&ssl=1","width":1000,"height":1000,"caption":"Hot Racing Losi Micro-B Unibody HD Steel Differential Lock (LMCB125R)"},{"@type":"BreadcrumbList","@id":"https:\/\/discountrcparts.com\/index.php\/product\/hot-racing-losi-micro-b-unibody-hd-steel-differential-locker-spool-lmcb125r\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/discountrcparts.com\/"},{"@type":"ListItem","position":2,"name":"Hot Racing Losi Micro-B Unibody HD Steel Differential Locker Spool"}]},{"@type":"WebSite","@id":"https:\/\/discountrcparts.com\/#website","url":"https:\/\/discountrcparts.com\/","name":"Discount RC Parts","description":"RC cars, parts and supplies at bargain pricing.","publisher":{"@id":"https:\/\/discountrcparts.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/discountrcparts.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/discountrcparts.com\/#organization","name":"Discount RC Parts, LLC","url":"https:\/\/discountrcparts.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/discountrcparts.com\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2021\/01\/Discount-RC-Parts-logo-round-300x300-1.jpg?fit=300%2C300&ssl=1","contentUrl":"https:\/\/i0.wp.com\/discountrcparts.com\/wp-content\/uploads\/2021\/01\/Discount-RC-Parts-logo-round-300x300-1.jpg?fit=300%2C300&ssl=1","width":300,"height":300,"caption":"Discount RC Parts, LLC"},"image":{"@id":"https:\/\/discountrcparts.com\/#\/schema\/logo\/image\/"}}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/product\/90153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/media\/90171"}],"wp:attachment":[{"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/media?parent=90153"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=90153"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=90153"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/discountrcparts.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=90153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}