{"id":106186,"date":"2026-11-08T16:45:15","date_gmt":"2026-11-08T15:45:15","guid":{"rendered":"https:\/\/italytacticalshop.it\/product\/retroarms-cnc-steel-gears-set-pandora-sr-25-201-3mm\/"},"modified":"2026-11-08T16:45:15","modified_gmt":"2026-11-08T15:45:15","slug":"retroarms-cnc-steel-gears-set-pandora-sr-25-201-3mm","status":"publish","type":"product","link":"https:\/\/italytacticalshop.it\/en\/product\/retroarms-cnc-steel-gears-set-pandora-sr-25-201-3mm\/","title":{"rendered":"RetroArms CNC Steel Gears Set PandoRA SR-25 20:1 (3mm)"},"content":{"rendered":"<p><strong>RetroArms PandoRA SR-25 20:1 with 3mm axles<\/strong> is a set of <strong>CNC steel gears for upgrade builds using an extended 19-tooth piston<\/strong>. All gears are machined from a single piece of steel and were tested by the manufacturer with an M210 spring. The standard <strong>3mm axles<\/strong> are designed for conventional airsoft bushings or bearings and shims.<\/p>\n<p>On the airsoft market, numerous CNC gears exist, but not all are of high quality and truly durable! At\u00a0<strong>RetroArms<\/strong>, they decided to go all out and crafted gears that are entirely CNC machined from high-quality hardened steel for\u00a0<strong>AEG<\/strong>\u00a0airsoft guns.<br \/>Named\u00a0<strong>PandoRA<\/strong>, referring to\u00a0<strong>Pandora from Greek mythology (meaning &#8220;Endowed with all gifts&#8221;)<\/strong>, these gears also bring you all the gifts (advantages) of the<strong>\u00a0most durable gears<\/strong>\u00a0on the market.<\/p>\n<p>These gears are<strong>\u00a0made entirely from a single block of solid steel<\/strong>, I know<strong>\u00a0no assembly from multiple parts!<\/strong><\/p>\n<p>Before production, they were tested<strong>\u00a0with an M210 spring<\/strong>\u00a0up to<strong>\u00a010,000 shots<\/strong>\u00a0in\u00a0<strong>CNC RetroArms gearboxes<\/strong>\u00a0without any signs of wear. They<strong>\u00a0perfectly complement\u00a0RetroArms pistons.<\/strong><br \/>The gear set includes:<strong>\u00a0Sector\u00a0Gear &#8211;\u00a0Spur Gear &#8211;\u00a0Bevel Gear.<\/strong><\/p>\n<p><strong>RetroArms offers the following gear ratios:<\/p>\n<p>1. Gear Ratio 20:1<br \/><\/strong>a)\u00a0with 3mm shaft<br \/>b)\u00a0with 4mm shaft<br \/>c)\u00a0SR-25 with 3mm shaft<\/p>\n<p><strong>2. Gear Ratio 16:1<br \/><\/strong>a)\u00a0with 3mm shaft<br \/>b)\u00a0with 4mm shaft<br \/>c)\u00a0TM NGRS with 3mm shaft\u00a0(only for<strong>\u00a0EBB guns\u00a0TM NGRS<\/strong>)<\/p>\n<p><strong>3. Gear Ratio 13:1<br \/><\/strong>a)\u00a0with 3mm shaft<br \/>b)\u00a0with 4mm shaft<\/p>\n<p><strong>4.\u00a0Gear Ratio 10:1<\/strong><\/p>\n<p><strong>5.\u00a0Gear Ratio DSG\u00a0<\/strong>(Dual Selector Gear)<\/p>\n<p><strong>Remember that gears with 4mm shafts can only be used<\/strong>\u00a0with\u00a0<strong>bearings with a 4mm<\/strong>\u00a0<strong>inner diameter<\/strong>, and you will also need<strong>\u00a04mm shims<\/strong>\u00a0to achieve<strong>\u00a0proper gear shimming.<br \/><\/strong>Also, don&#8217;t forget to check<strong>\u00a0the correct angle of engagement of the piston gear with the piston\u00a0(AOE).<\/strong><br \/>Standard gears and readily available bearings are made with 3mm shafts.<\/p>","protected":false},"excerpt":{"rendered":"<p>RetroArms PandoRA SR-25 20:1 with 3mm axles is a set of CNC steel gears for upgrade builds using an extended 19-tooth piston. All gears are machined from a single piece of steel and were tested by the manufacturer with an M210 spring. The standard 3mm axles are designed for conventional airsoft bushings or bearings and [&hellip;]<\/p>\n","protected":false},"featured_media":106187,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[201],"product_cat":[35],"product_tag":[],"class_list":["post-106186","product","type-product","status-publish","has-post-thumbnail","product_brand-retroarms","product_cat-ricambi-e-interni-accessori-arma","first","outofstock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/product\/106186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/comments?post=106186"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/media\/106187"}],"wp:attachment":[{"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/media?parent=106186"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/product_brand?post=106186"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/product_cat?post=106186"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/italytacticalshop.it\/en\/wp-json\/wp\/v2\/product_tag?post=106186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}