{"product_id":"piaggio-semipuleggia-motrice-mobile-nrg-runner-liberty-50-cm101104","title":"Original Piaggio NRG Gilera Runner Liberty 50 4T Moving Drive Half-Pulley – OEM CM101104","description":"\u003cdiv style=\"font-family:'Segoe UI',Arial,sans-serif;max-width:900px;margin:0 auto;color:#222;line-height:1.7;\"\u003e\n\n  \u003cp style=\"font-size:16px;\"\u003e\n    The \u003cstrong\u003eoriginal Piaggio CM101104 mobile drive half-pulley\u003c\/strong\u003e is the \u003cstrong\u003eOEM\u003c\/strong\u003e replacement part for the variator assembly of Piaggio Group \u003cstrong\u003e50cc 4-stroke\u003c\/strong\u003e scooters, including \u003cstrong\u003ePiaggio NRG\u003c\/strong\u003e, \u003cstrong\u003eGilera Runner\u003c\/strong\u003e, \u003cstrong\u003ePiaggio Liberty 50 4T\u003c\/strong\u003e, and \u003cstrong\u003eVespa ET4 50\u003c\/strong\u003e. This component is the mobile half of the variator's drive pulley and works together with the fixed half-pulley to ensure the correct movement of the drive belt, adjusting the continuous variable transmission (CVT) ratio based on engine RPM.\n  \u003c\/p\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003e✓ Strengths\u003c\/h3\u003e\n  \u003cul style=\"font-size:15px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e100% original Piaggio spare part\u003c\/strong\u003e – same component installed at the factory\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM code CM101104\u003c\/strong\u003e (replaces CM110304) – perfect interchangeability\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtended compatibility\u003c\/strong\u003e – 50cc 4T Piaggio\/Gilera group scooters\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnsures optimal transmission\u003c\/strong\u003e – smooth and progressive CVT ratio\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReduces vibrations and belt wear\u003c\/strong\u003e – factory-calibrated sliding surface\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect installation\u003c\/strong\u003e – no modifications needed to the variator\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eTechnical specifications\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePiaggio\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOEM Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eCM101104\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eReplacement Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eCM110304 (PIACM110304)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eAftermarket Equivalent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRMS 100320020\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMobile drive half-pulley (variator)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVariator – drive side (crankshaft)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eEngine type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e50cc 4-stroke (Piaggio group)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSpare part type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eOriginal Piaggio (OEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv style=\"background:#fff3cd;border-left:4px solid #ffc107;padding:14px;margin:20px 0;border-radius:4px;\"\u003e\n    \u003cstrong\u003e⚠️ Important notes:\u003c\/strong\u003e\u003cbr\u003e\n    • The mobile drive half-pulley is a variator component that should be replaced when it shows wear, scratches, or excessive play on the belt's sliding surface.\u003cbr\u003e\n    • For a complete overhaul, it is recommended to simultaneously replace: variator rollers, drive belt, and counter spring (if worn).\u003cbr\u003e\n    • Installation requires removing the transmission cover; if you are not experienced, consult a qualified mechanic.\u003cbr\u003e\n    • Always verify compatibility with the VIN (Vehicle Identification Number) before purchasing.\n  \u003c\/div\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eVehicle compatibility\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#e63946;color:#fff;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eBrand\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eDisplacement\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePiaggio\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNRG MC3 \/ Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e50cc\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e⚠️ Verify with VIN\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePiaggio\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLiberty 4T\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e50cc\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2000 – 2002\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePiaggio\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVespa ET4\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e50cc\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2000 – 2005\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eGilera\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRunner 4T\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e50cc\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e⚠️ Verify with VIN\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eGilera\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eDNA GP Experience\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e50cc\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2003 – 2004\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:13px;color:#666;\"\u003e⚠️ Full year-by-year compatibility has not been officially declared by Piaggio for this code. It is recommended to verify using your VIN or the exploded parts catalog for your vehicle.\u003c\/p\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eRecommended complementary parts\u003c\/h3\u003e\n  \u003cul style=\"font-size:15px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOriginal Piaggio fixed drive half-pulley\u003c\/strong\u003e – replace if it shows wear on the contact surface with the belt\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOriginal Piaggio variator roller kit\u003c\/strong\u003e – to be replaced periodically to maintain performance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOriginal Piaggio drive belt\u003c\/strong\u003e – replace if cracked, stretched, or worn\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVariator counter spring\u003c\/strong\u003e – if it loses elasticity over time\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEngine oil\u003c\/strong\u003e – replace after variator maintenance to remove residue\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eWho is it perfect for\u003c\/h3\u003e\n  \u003cp style=\"font-size:15px;\"\u003e\n    The Piaggio CM101104 mobile drive half-pulley is the ideal replacement part for anyone who owns a Piaggio group 50cc 4-stroke scooter (NRG, Runner, Liberty, Vespa ET4) and wants to restore the optimal function of the CVT transmission with an original factory part. Indicated in case of jerking during acceleration, loss of top speed, abnormal noise from the cover, or visible wear on the belt's sliding surface.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"background:#f0f7f0;border-left:4px solid #28a745;padding:14px;margin:20px 0;border-radius:4px;\"\u003e\n    \u003cstrong\u003e🛡️ Guarantee and quality – Moon Bike S.r.l.\u003c\/strong\u003e\u003cbr\u003e\n    Moon Bike S.r.l. is an \u003cstrong\u003eofficial Piaggio Group dealer\u003c\/strong\u003e based in Cercola (NA). The \u003cstrong\u003eCM101104\u003c\/strong\u003e half-pulley is an original Piaggio spare part supplied with full OEM traceability and covered by the manufacturer's official warranty. We ship throughout Italy and abroad with professional packaging.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Piaggio","offers":[{"title":"Default Title","offer_id":57679883698524,"sku":"CM101104","price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3660\/0668\/files\/Semipuleggia_Motrice_Mobile_Originale_Piaggio_NRG_Gilera_Runner_Liberty_50_4T__OEM_CM101104.png?v=1779122207","url":"https:\/\/www.moonbikesrl.it\/en-gb\/products\/piaggio-semipuleggia-motrice-mobile-nrg-runner-liberty-50-cm101104","provider":"Moon Bike S.r.l.","version":"1.0","type":"link"}