{"product_id":"tuijodaix-rear-brake-assembly-hydraulic-master-cylinder-caliper-15mm-axle-fits-50-125cc-pit-dirt-bikes","title":"Tuijodaix Rear Brake Assembly Hydraulic Master Cylinder \u0026 Caliper — 15mm Axle, Fits 50–125cc Pit\/Dirt Bikes","description":"\u003cp\u003e\u003cstrong\u003eTuijodaix Rear Brake Assembly is a complete hydraulic master cylinder and caliper kit with replacement disc brake pads designed for 50–125cc Chinese-style dirt and pit bikes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ready-to-install rear brake set combines a hydraulic master cylinder, iron\/plastic caliper and a pair of replacement brake pads to update or repair SSR, KLX-style and other 50–125cc small-displacement off-road motorcycles. It’s built to fit many popular Chinese tunnel-frame bikes (not for SSR150) and includes the mounting measurements and hose length needed to confirm compatibility before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eWill this brake assembly fit my SSR, KLX or pit bike?\u003c\/h3\u003e\n\n\u003cp\u003eCompatibility is broad across many 50–125cc Chinese-style dirt and pit bikes, but it is not universal. Use the supplied dimensions to verify fit on your swingarm and mounting points.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBrake hose length: 565mm (22.24\").\u003c\/li\u003e\n  \u003cli\u003eMounting shaft hole: 15mm (0.59\").\u003c\/li\u003e\n  \u003cli\u003eHole diameter: 70mm (2.75\").\u003c\/li\u003e\n  \u003cli\u003eBrake cylinder mounting hole distance: 42–56mm (1.65\"–2.20\").\u003c\/li\u003e\n  \u003cli\u003eBanjo bolt thread: 10mm × 1.25.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the construction affect braking performance?\u003c\/h3\u003e\n\n\u003cp\u003eThe caliper uses a blend of high-quality iron and reinforced plastic to balance stopping power, corrosion resistance and durability. That construction aims to deliver a firmer brake feel and longer service life than many basic replacement units.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIron components provide structural strength for consistent braking force.\u003c\/li\u003e\n  \u003cli\u003ePlastic elements reduce weight and resist corrosion in exposed areas.\u003c\/li\u003e\n  \u003cli\u003eIncluded brake pads are sized for effective contact: 40mm × 45mm.\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist wear for extended maintenance intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and what do I need to install it?\u003c\/h3\u003e\n\n\u003cp\u003eThe package arrives with the hydraulic master cylinder and caliper preassembled and one pair of replacement disc brake pads. Basic tools and standard brake-bleeding supplies are required to mount and commission the unit on your bike.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e1 × Rear brake assembly (master cylinder + caliper).\u003c\/li\u003e\n  \u003cli\u003e1 × Pair of replacement disc brake pads (40mm × 45mm).\u003c\/li\u003e\n  \u003cli\u003eVerify your axle diameter is 15mm for proper shaft fitment.\u003c\/li\u003e\n  \u003cli\u003eBleeding kit, brake fluid, and basic hand tools needed for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this is the right part before buying?\u003c\/h3\u003e\n\n\u003cp\u003eMeasure the brake mounting points on your bike and compare them to the kit’s dimensions to avoid incompatibility. Also confirm wheel axle diameter and banjo bolt thread to ensure secure connections and leak-free hydraulic lines.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCheck your bike is within the 50–125cc Chinese-style tunnel-frame family (not SSR150).\u003c\/li\u003e\n  \u003cli\u003eConfirm axle hole is 15mm and caliper hole diameter is about 70mm.\u003c\/li\u003e\n  \u003cli\u003eEnsure banjo bolt thread matches 10mm × 1.25 for the brake hose.\u003c\/li\u003e\n  \u003cli\u003eCompare cylinder mounting hole spacing: 42–56mm range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Tuijodaix rear brake assembly is aimed at riders, mechanics and small-shop technicians who maintain or restore Chinese-made 50–125cc dirt bikes, pit bikes and SSR-style models. It suits anyone needing a complete rear hydraulic brake replacement with clear specifications—especially those upgrading worn components or keeping a reliable spare part on hand. If you require certified OEM fitment for a specific model year, verify dimensions and contact a mechanic for fitment help before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this brake assembly compatible with SSR 125cc and KLX-style bikes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits many 50–125cc SSR and KLX-style Chinese tunnel-frame bikes, but it is not compatible with SSR150. Verify the listed dimensions before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What measurements should I check to confirm fitment?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check axle hole is 15mm, hose length ~565mm, caliper hole diameter ~70mm, and mounting hole spacing 42–56mm.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tuijodaix","offers":[{"title":"Default Title","offer_id":48086130786462,"sku":"B0B6DVDBWQ","price":47.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tuijodaix-rear-brake-assembly-front-view.jpg?v=1785885974","url":"https:\/\/northtrailauto.ca\/products\/tuijodaix-rear-brake-assembly-hydraulic-master-cylinder-caliper-15mm-axle-fits-50-125cc-pit-dirt-bikes","provider":"North Trail Auto","version":"1.0","type":"link"}