{"product_id":"180mm-wave-brake-rotor-3-bolt-scooters","title":"180mm Wave Brake Rotor - 3-Bolt Scooters","description":"\u003ch2\u003e180mm Wave Brake Rotor for GY6 and 139QMB Scooters\u003c\/h2\u003e\u003cp\u003eThis 180mm wave brake rotor is designed to replace damaged or worn rotors on full-size scooters, such as many GY6 125cc\/150cc and 139QMB 50cc models. Featuring a wave-cut stainless steel surface, this rotor provides reliable braking performance while effectively dissipating heat. It is one of the key \u003ca href=\"\/collections\/scooter-brakes\"\u003escooter brake\u003c\/a\u003e components to ensure your vehicle stops smoothly and safely.\u003c\/p\u003e\u003ch3\u003eConstruction and Design\u003c\/h3\u003e\u003cp\u003eThe rotor boasts a unique petal design with slotted and drilled holes that improve cooling and help clear brake dust, leading to better brake response. The vibrant red offset center hub adds a stylish touch while also featuring six vent slots for airflow. The rotor is built with a thickness of 3.5mm, ensuring stability during operation.\u003c\/p\u003e\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\u003cp\u003eInstallation of this rotor involves using a 3-bolt mounting pattern with a spacing of 57mm and bolt holes measuring 8.5mm in diameter. To ensure proper fitment, clean the hub surface before attachment and use thread locker on the bolts. It's advisable to bed in new pads and the rotor with several moderate stops to optimize performance prior to aggressive riding.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 180mm Outer Diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 48mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 3.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffset:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Holes:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Hole Spacing:\u003c\/strong\u003e 57mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Hole Diameter:\u003c\/strong\u003e 8.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Color:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 4793\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis rotor is compatible with GY6 125cc and 150cc scooters as well as 139QMB and QMB139 50cc scooters. It is important to verify that your existing rotor matches the specifications before making a replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 125cc\u003c\/li\u003e\n\u003cli\u003eGY6 150cc\u003c\/li\u003e\n\u003cli\u003e139QMB 50cc\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-brakes\"\u003eScooter Brake Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Magic Cars","offers":[{"title":"Default Title","offer_id":52795154890983,"sku":"25-902005","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/180mm-wave-brake-rotor-3-bolt-scooters-1.jpg?v=1791584031","url":"https:\/\/www.magiccars.com\/products\/180mm-wave-brake-rotor-3-bolt-scooters","provider":"MagicCars","version":"1.0","type":"link"}