{"product_id":"pre-bled-ultra-bee-brake-kit-for-super73","title":"Pre-Bled Ultra Bee Brake Kit for Super73, P-51, GhostCat \u0026 More (Collective)","description":"\u003cp class=\"p2\"\u003eBring \u003cspan class=\"s1\"\u003e\u003cb\u003eSur-Ron Ultra Bee braking performance\u003c\/b\u003e\u003c\/span\u003e to your high-performance e-bike with the \u003cspan class=\"s1\"\u003e\u003cb\u003eMACEMX Ultra Bee Brake Kit\u003c\/b\u003e\u003c\/span\u003e. This complete conversion package combines a pre-bled Ultra Bee rear brake assembly, MACEMX adapter bracket, upgraded oversized rotor, and required mounting hardware.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eDesigned specifically for \u003cspan class=\"s1\"\u003e\u003cb\u003ee-bikes with standard caliper mounts\u003c\/b\u003e\u003c\/span\u003e, the kit provides the components needed to adapt the larger Ultra Bee braking system to compatible Super73, GhostCat, P-51, Macfox, Ridstar, Freego, and similar builds.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eImportant:\u003c\/b\u003e This kit is intended for compatible \u003cspan class=\"s1\"\u003e\u003cb\u003ee-bikes, not e-motos\u003c\/b\u003e\u003c\/span\u003e, due to rotor fitment requirements.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePre-Bled Sur-Ron Ultra Bee Rear Brake Assembly\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMACEMX Ultra Bee Brake Adapter Bracket\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eUpgraded Thickened 220mm or 240mm Rotor\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRequired Mounting Hardware\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eConfirmed Fitment\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003e220mm Rotor\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuper73 RX\u003c\/li\u003e\n\u003cli\u003eSuper73 S2\u003c\/li\u003e\n\u003cli\u003eSuper73 ZX\u003c\/li\u003e\n\u003cli\u003eSuper73 Z Miami\u003c\/li\u003e\n\u003cli\u003eMacfox compatible models\u003c\/li\u003e\n\u003cli\u003eRidstar Q20\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003e240mm Rotor\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGhostCat F4X\u003c\/li\u003e\n\u003cli\u003eP-51 Ace\u003c\/li\u003e\n\u003cli\u003eP-51 Bullet\u003c\/li\u003e\n\u003cli\u003eP-51 Ranger\u003c\/li\u003e\n\u003cli\u003eFreego X2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRotor Sizing\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eUltra Bee brake conversions require a rotor approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e40mm larger than the bike’s stock rotor\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eFor example:\u003c\/p\u003e\n\u003cp class=\"p5\"\u003e\u003cb\u003e180mm stock rotor → 220mm rotor\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eAlways verify your current rotor and mounting configuration before ordering.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBrake Mount \/ Bracket Fitment\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eSome e-bikes, including certain Macfox models, may require replacing the factory brake post with a \u003cspan class=\"s1\"\u003e\u003cb\u003estandard 180mm post-mount adapter\u003c\/b\u003e\u003c\/span\u003e before installing the MACEMX bracket.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eA compatible mount may be required and is \u003cspan class=\"s1\"\u003e\u003cb\u003enot included unless specifically stated\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePre-Bled Brake System\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe Ultra Bee brake assembly arrives \u003cspan class=\"s1\"\u003e\u003cb\u003epre-bled from the factory\u003c\/b\u003e\u003c\/span\u003e for easier installation.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eShipping and handling can occasionally introduce small air bubbles into a hydraulic brake system. If the lever feels soft or spongy after installation, a minor brake bleed may be required to restore proper lever feel and braking performance.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eImportant\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThis is a performance brake conversion. Proper rotor alignment, caliper positioning, mounting hardware, clearance, and hydraulic brake operation should be verified before riding.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eBy purchasing this product, you acknowledge the applicable Terms of Service.\u003c\/p\u003e\n\u003cp class=\"p5\"\u003e\u003cb\u003eVendor:\u003c\/b\u003e\u003cspan class=\"s2\"\u003e MACEMX\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCollection:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e Curated by K. Mods\u003c\/span\u003e\u003c\/p\u003e","brand":"MaceMX","offers":[{"title":"220MM \/ Pre-Bled","offer_id":48871716061337,"sku":"sku-42749419192417","price":169.99,"currency_code":"USD","in_stock":true},{"title":"220MM \/ No Bleed","offer_id":48871716094105,"sku":"sku-46346474160225","price":136.99,"currency_code":"USD","in_stock":false},{"title":"240MM \/ Pre-Bled","offer_id":48871716126873,"sku":"sku-42749419225185","price":179.99,"currency_code":"USD","in_stock":true},{"title":"240MM \/ No Bleed","offer_id":48871716159641,"sku":"sku-46346474192993","price":136.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0442\/8146\/2937\/files\/B805D129-5EA0-4F1E-95AE-260C5121FAED.jpg?v=1786583402","url":"https:\/\/kmodsracing.com\/products\/pre-bled-ultra-bee-brake-kit-for-super73","provider":"K. Mods","version":"1.0","type":"link"}