{"product_id":"rear-brake-master-cylinder-for-honda-cr125r-cr250r-crf250r-crf450r","title":"Rear Brake Master Cylinder For Honda CR125R CR250R CRF250R CRF450R","description":"\u003ch2\u003eRear Brake Master Cylinder for Honda CR125R CR250R CRF250R CRF450R\u003c\/h2\u003e\u003cp\u003eThis rear brake master cylinder is a direct replacement hydraulic pump that pressurizes brake fluid to actuate the rear caliper on for Honda CR125R, CR250R, CRF250R, and CRF450R motocross bikes.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis rear brake master cylinder restores reliable rear braking on for Honda CR125R, CR250R, CRF250R, and CRF450R models. It converts lever input into hydraulic pressure that drives the rear caliper, giving you consistent stopping power on the track or trail. Riders doing routine maintenance or a full brake system rebuild will find this rear brake master cylinder a practical direct-fit replacement.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDurable aluminum body built to handle high-pressure braking cycles\u003c\/li\u003e\n\u003cli\u003eSealed internal piston and cup design keeps fluid contained under repeated use\u003c\/li\u003e\n\u003cli\u003eThreaded ports sized for standard banjo fittings on for Honda rear brake lines\u003c\/li\u003e\n\u003cli\u003eReservoir mount points match factory frame and pedal linkage locations\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant exterior finish suited to mud, water, and dust exposure\u003c\/li\u003e\n\u003cli\u003eDirect-fit geometry for the listed CR and CRF models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda CR125R\u003c\/li\u003e\n\u003cli\u003efor Honda CR250R\u003c\/li\u003e\n\u003cli\u003efor Honda CRF250R\u003c\/li\u003e\n\u003cli\u003efor Honda CRF450R\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRear brake system replacement on motocross bikes\u003c\/li\u003e\n\u003cli\u003eTrail and off-road riding where rear brake control matters\u003c\/li\u003e\n\u003cli\u003eTrack-day maintenance and brake system rebuilds\u003c\/li\u003e\n\u003cli\u003eRestoring rear braking after fluid loss or master cylinder failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRear Brake Master Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Honda CR125R, CR250R, CRF250R, CRF450R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this come with a reservoir and lever? \u003cstrong\u003eA:\u003c\/strong\u003e This listing covers the rear brake master cylinder unit itself, so check your existing reservoir, lever, and line fittings before installing. Reusing serviceable factory hardware is common during a master cylinder swap.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will I need to bleed the rear brake after installing it? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, any time a master cylinder is replaced the rear brake circuit must be bled to remove air. Use fresh DOT brake fluid and pump the pedal until it feels firm and consistent.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50555552497750,"sku":"ZZ3O00063","price":34.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_37f8fce3-b6d8-48b8-b00a-1e0401dbf262.jpg?v=1790925963","url":"https:\/\/www.solidspare.com\/products\/rear-brake-master-cylinder-for-honda-cr125r-cr250r-crf250r-crf450r","provider":"Solid Spare","version":"1.0","type":"link"}