{"id":16207,"date":"2026-03-26T00:56:41","date_gmt":"2026-03-26T00:56:41","guid":{"rendered":"https:\/\/electricycleworks.com\/?post_type=product&#038;p=16207"},"modified":"2026-03-26T00:56:41","modified_gmt":"2026-03-26T00:56:41","slug":"ext-spring-for-ext-arma-mx","status":"publish","type":"product","link":"https:\/\/electricycleworks.com\/?product=ext-spring-for-ext-arma-mx","title":{"rendered":"EXT Spring for EXT Arma MX"},"content":{"rendered":"<p>Brand new replacement springs for EXT Arma MX shocks.<\/p>\n<p>High performance 90mm(3.5&#8243;) max stroke MX Spring<\/p>\n<p>\u2013 Super Alloy Spring (proprietary super light design)<br \/>\n\u2013\u00a0Highly Linear Ratio<br \/>\n\u2013 Hard Epoxy Coating<br \/>\n\u2013 Internal Diameter: \u00d838.5 mm<br \/>\n\u2013 The lightest steel springs on the market<br \/>\n\u2013 Developed in our automotive racing programs<br \/>\n\u2013 50lb increments; C90-450\/C90-500\/C90-550\/C90-600<br \/>\n\u2013 Adaptable for all type of dampers in the market<br \/>\n\u2013 Life duration: over 500.000 cycles<\/p>\n<p><strong>Spring Rate\u00a0Suggestions<\/strong><\/p>\n<p>The advanced tuning available on this shock allows a high degree of adjustment and tuning for the rider to dial in exactly how you want this shock to perform, from ultra-plush to ultra-stiff to anything in-between.\u00a0 Please see the recommended settings at the bottom of this page.<\/p>\n<div class=\"table-wrapper\">\n<div class=\"table-wrapper\">\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\u00a0<strong>Rider Weight<\/strong><\/td>\n<td><strong>Spring<\/strong><\/td>\n<td><strong>Extended Swingarm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>&lt;150<\/td>\n<td>400<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>150-170<\/td>\n<td>450<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>170-195<\/td>\n<td>500<\/td>\n<td>550<\/td>\n<\/tr>\n<tr>\n<td>195-220<\/td>\n<td>550<\/td>\n<td>600<\/td>\n<\/tr>\n<tr>\n<td>220-250<\/td>\n<td>600<\/td>\n<td>650<\/td>\n<\/tr>\n<tr>\n<td>250+<\/td>\n<td>650<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>* This chart is perfect for trail riders and for those wanting plush suspension that utilizes full travel. If you want a stiffer rear end and\/or jump large jumps (MX track, dirt jumps, etc), go one size heavier than the chart suggests.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brand new replacement springs for EXT Arma MX shocks. High performance 90mm(3.5&#8243;) max stroke MX Spring \u2013 Super Alloy Spring (proprietary super light design) \u2013\u00a0Highly Linear Ratio \u2013 Hard Epoxy Coating \u2013 Internal Diameter: \u00d838.5 mm \u2013 The lightest steel springs on the market \u2013 Developed in our automotive racing programs \u2013 50lb increments; C90-450\/C90-500\/C90-550\/C90-600 [&#8230;]\n","protected":false},"featured_media":16208,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[98],"product_cat":[73],"product_tag":[],"class_list":{"0":"post-16207","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-ext","7":"product_cat-suspension-parts-and-accessories","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/electricycleworks.com\/index.php?rest_route=\/wp\/v2\/product\/16207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/electricycleworks.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/electricycleworks.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/electricycleworks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16207"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/electricycleworks.com\/index.php?rest_route=\/wp\/v2\/media\/16208"}],"wp:attachment":[{"href":"https:\/\/electricycleworks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16207"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/electricycleworks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=16207"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/electricycleworks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=16207"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/electricycleworks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=16207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}