{"product_id":"full-size-scooter-disc-brake-rotor","title":"Universal Parts 180mm Wave Brake Rotor - 3-Bolt Scooters","description":"\u003cp\u003eThis \u003cstrong\u003eUniversal Parts 180mm Disc Brake Rotor\u003c\/strong\u003e replaces a warped, scored, or worn-thin front rotor on full-size scooters, including many GY6 125cc\/150cc and 139QMB 50cc models. Its wave-cut stainless steel braking surface with slotted and drilled petals sheds heat and clears brake dust for strong, consistent stopping. The red offset center hub bolts on with a 3-bolt pattern.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e180mm wave-cut rotor:\u003c\/strong\u003e Stainless steel petal design with slots and drilled holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed offset center hub:\u003c\/strong\u003e Cup-style hub with six vent slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-bolt mounting:\u003c\/strong\u003e 57mm bolt spacing, 8.5mm bolt holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat and dust control:\u003c\/strong\u003e Cutouts help cooling and keep the pads clean.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 110-51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 4793\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 180mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner diameter (center bore):\u003c\/strong\u003e 48mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor thickness:\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\u003eCountry of origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Universal Parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine \/ Type\u003c\/th\u003e\n\u003cth\u003eRotor Requirements\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY6 125cc \/ 150cc scooters\u003c\/td\u003e\n\u003ctd\u003e180mm OD, 48mm bore, 3-bolt 57mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMB \/ QMB139 50cc scooters\u003c\/td\u003e\n\u003ctd\u003e180mm OD, 48mm bore, 3-bolt 57mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eFitment varies by make and model. Compare the diameter, center bore, bolt spacing, thickness, and offset with your existing rotor before ordering.\u003c\/p\u003e\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cp\u003eClean the hub mounting surface, use thread locker on the rotor bolts, and torque them evenly. Bed in new pads and rotor with several moderate stops before riding hard.\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964489072961,"sku":"110-51","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/453626.jpg?v=1792945416","url":"https:\/\/azscooterparts.com\/products\/full-size-scooter-disc-brake-rotor","provider":"AZScooterParts","version":"1.0","type":"link"}