{"id":69273,"date":"2026-06-06T05:32:27","date_gmt":"2026-06-06T03:32:27","guid":{"rendered":"https:\/\/stage6-racing.com\/produkt\/crankshaft-stage6-r-t-derbi-euro-3-euro-4\/"},"modified":"2026-06-07T06:18:19","modified_gmt":"2026-06-07T04:18:19","slug":"crankshaft-stage6-r-t-derbi-euro-3-4","status":"publish","type":"product","link":"https:\/\/stage6-racing.com\/en\/product\/crankshaft-stage6-r-t-derbi-euro-3-4\/","title":{"rendered":"Crankshaft Stage6 R\/T Derbi Euro 3 \/ 4"},"content":{"rendered":"<h2>Stage6 R\/T high-end crankshaft Derbi<\/h2>\n<p>Crankshaft Stage6 R\/T for 50cc motorbikes with Derbi euro 3 \/ Euro 4 engine in flow-optimized design. Fits many 50cc scooter models such as Derbi Senda X-Treme, Derbi GPR, Gilera SMT, Aprilia SX, Aprilia RS4 and many others.<\/p>\n<h3>Stage6 R\/T tuning crankshaft<\/h3>\n<p>Meticulously balanced high-end racing full circle crankshaft with light alloy inserts.<\/p>\n<p>The tuning crankshaft features precision manufacturing and adherence to exacting tolerances. The forged, CNC-machined connecting rod is extremely resistant and ensures maximum strength when used in racing engines, at the same time its design optimizes flow dynamics for enhanced performance.<\/p>\n<p>The very precise balancing via lightweight metal inserts mitigates strong vibrations and ensures smooth running. The top-of-the-line crankshaft comes with a top quality small end bearing.<\/p>\n<h3>Fitments Stage6 R\/T crankshaft Derbi, Aprilia, Gilera<\/h3>\n<p>The Stage6 R\/T crankshaft was developed as the perfect complement for high-performance racing cylinders, e.g. the <a href=\"\/en\/product\/cylinder-kit-stage6-big-racing-77cc-derbi-euro-3-4-67876\">Stage6 Big Racing 77<\/a>, the <a href=\"\/en\/product\/cylinder-kit-2fast-70cc-derbi-3-4-65847\">2Fast 70<\/a>, the Bidalot RF-WR 70 and any other racing cylinder with original connecting rods. The <a href=\"\/en\/product\/cylinder-kit-stage6-r-t-70cc-derbi-euro-3-4-49257\">Stage6 R\/T 70cc Zylinder Derbi<\/a> is the top choice when it comes to performance.<\/p>\n<p>Plug &#038; Play installation &#8211; the Stage6 R\/T shaft can be installed without further modifications, without the need for complicated crankcase machining. We recommend using a set of new <a href=\"\/en\/product\/crankshaft-bearing-set-stage6-r-t-c3-polymer-cage-derbi-245533\">crankshaft bearings<\/a>.<\/p>\n<h4>TECHNICAL DETAILS FOR STAGE6 R\/T crankshaft Derbi Euro 3 and Derbi Euro 4:<\/h4>\n<ul>\n<li>High end crankshaft<\/li>\n<li>Stroke: Original<\/li>\n<li>Connecting rod length: Original<\/li>\n<li>Piston pin: 12 mm<\/li>\n<li>Piston pin bearing: 12x17x15 mm<\/li>\n<li>For <strong>Derbi Euro 3 and Derbi Euro 4<\/strong> engines (50cc supermotos after 2006)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Stage6 R\/T high-end crankshaft Derbi Crankshaft Stage6 R\/T for 50cc motorbikes with Derbi euro 3 \/ Euro 4 engine in flow-optimized design. Fits many 50cc scooter models such as Derbi Senda X-Treme, Derbi GPR, Gilera SMT, Aprilia SX, Aprilia RS4 and many others. Stage6 R\/T tuning crankshaft Meticulously balanced high-end racing full circle crankshaft with&hellip;<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"product_brand":[],"product_cat":[8266],"product_tag":[8262],"class_list":{"0":"post-69273","1":"product","2":"type-product","3":"status-publish","5":"product_cat-bottom-end","6":"product_tag-50cc-bike-motorcycle","7":"pa_ausfuehrung-crankshaft","8":"pa_farbe-variante-r-t","9":"pa_marke-12x17x15mm","10":"pa_produkt-familie-stage6-r-t","11":"pa_produkt-familie-stage6-r-t-en","12":"pa_strassenzulassung-12-mm","13":"pa_tuningbereich-high-end","14":"description-off","16":"first","17":"instock","18":"product-type-external"},"_links":{"self":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product\/69273","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/media?parent=69273"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product_brand?post=69273"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product_cat?post=69273"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/stage6-racing.com\/en\/wp-json\/wp\/v2\/product_tag?post=69273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}