{"product_id":"surron-ultra-bee-rear-master-cylinder","title":"Surron Ultra Bee Rear Master Cylinder","description":"\u003cp\u003eGenuine OEM Surron Ultra Bee rear master cylinder for the left-hand brake lever. Fits every Ultra Bee year, plus any bike running a Surron Ultra Bee brake conversion. Hand lever, not foot brake.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs:\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Surron OEM part - the rear brake master cylinder Surron builds into the Ultra Bee.\u003c\/li\u003e\n  \u003cli\u003eLeft-hand mount - runs the rear brake from the handlebar.\u003c\/li\u003e\n  \u003cli\u003eM10 x 1.25 banjo bolt thread - your stock rear line threads straight in.\u003c\/li\u003e\n  \u003cli\u003eAdjustable lever position - put the lever where your left hand wants it.\u003c\/li\u003e\n  \u003cli\u003eShips dry - takes DOT 3, DOT 4, or DOT 5.1 brake fluid. Bleed after install.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFits these models:\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSurron Ultra Bee (\u003cstrong\u003eall years\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003eSurron Light Bee (\u003cstrong\u003ewith Ultra Bee brake conversion\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003eYozma IN 10 (\u003cstrong\u003ewith Ultra Bee brake conversion\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/factoryz.co\/collections\/etm-rtr-parts\"\u003eETM RTR Lite, Sport, Alpha, and XL\u003c\/a\u003e (\u003cstrong\u003ewith Ultra Bee brake conversion\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFits any bike with a Surron Ultra Bee brake conversion. On the ETM RTR, that means our \u003ca href=\"https:\/\/factoryz.co\/products\/etm-rtr-ultra-bee-brake-kit-pre-bled\"\u003eETM RTR Ultra Bee Brake Kit\u003c\/a\u003e or another Ultra Bee caliper swap.\u003c\/p\u003e\n\n\u003ch2\u003eSurron Ultra Bee Rear Master Cylinder FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs this the foot brake master cylinder?\u003c\/h3\u003e\n\u003cp\u003eNo. This one mounts on the left handlebar and runs the rear brake by hand. Running a foot brake? You want the \u003ca href=\"https:\/\/factoryz.co\/products\/surron-ultra-bee-foot-brake-master-cylinder\"\u003eSurron Ultra Bee Foot Brake Master Cylinder\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhich Ultra Bee years does it fit?\u003c\/h3\u003e\n\u003cp\u003eAll of them. It replaces the factory rear master on any Ultra Bee, no adapters.\u003c\/p\u003e\n\u003ch3\u003eWill it work on my Light Bee, Yozma, or ETM?\u003c\/h3\u003e\n\u003cp\u003eYes, once the bike runs a Surron Ultra Bee brake conversion. The conversion has to be in place first.\u003c\/p\u003e\n\u003ch3\u003eDoes it come bled and filled?\u003c\/h3\u003e\n\u003cp\u003eNo. It ships dry. Install it, connect the rear line, fill, and bleed before riding. Our \u003ca href=\"https:\/\/factoryz.co\/products\/brake-bleed-kit-factoryz\"\u003ebleed kit with check valve\u003c\/a\u003e covers the job.\u003c\/p\u003e\n\u003ch3\u003eWhich brake fluid?\u003c\/h3\u003e\n\u003cp\u003eDOT 3, DOT 4, and DOT 5.1 all work. \u003ca href=\"https:\/\/factoryz.co\/products\/motul-dot-5-1-brake-fluid\"\u003eMotul DOT 5.1\u003c\/a\u003e is on our shelf.\u003c\/p\u003e\n\u003ch3\u003eWhat size banjo bolt?\u003c\/h3\u003e\n\u003cp\u003eM10 x 1.25. \u003ca href=\"https:\/\/factoryz.co\/products\/m10x1-25-titanium-banjo-bolt\"\u003eTitanium replacements\u003c\/a\u003e in the same thread are in stock.\u003c\/p\u003e\n\u003ch3\u003eDo I need to replace the front too?\u003c\/h3\u003e\n\u003cp\u003eOnly if it's worn or damaged. The front is the right-hand master and ships with a hand guard bracket: \u003ca href=\"https:\/\/factoryz.co\/products\/surron-ultra-bee-master-cylinder-front\"\u003eSurron Ultra Bee Master Cylinder Front\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips from USA!\u003c\/strong\u003e\u003c\/p\u003e","brand":"FactoryZ","offers":[{"title":"Default Title","offer_id":54005995176225,"sku":"UB-MASTER-CYLINDER-REAR","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/6664\/7585\/files\/Surron_Ultra_Bee_Master_Cylinder_Rear.jpg?v=1792695138","url":"https:\/\/powercurvecycles.com\/products\/surron-ultra-bee-rear-master-cylinder","provider":"Power Curve Cycles","version":"1.0","type":"link"}