{"product_id":"grehua-rear-disc-brake-caliper-kit-for-razor-mx500-mx650-sx500-metal-alloy-replacement-with-mounting-hardware","title":"GREHUA Rear Disc Brake Caliper Kit for Razor MX500 MX650 SX500 — Metal Alloy Replacement with Mounting Hardware","description":"\u003cp\u003e\u003cstrong\u003eGREHUA rear disc brake caliper kit is a direct-fit replacement assembly engineered to restore reliable stopping power on Razor MX500, MX650 and SX500 dirt bikes and compatible electric off-road machines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Razor dirt bike or similar electric motocross vehicle has a worn, damaged or seized rear brake caliper, this GREHUA kit provides the core metal caliper plus mounting hardware needed for a straightforward swap. Made from durable metal alloy, the caliper resists deformation and cracking from repeated use while matching the factory mounting points and cable interface for quick installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow simple is installation on a Razor MX500 or MX650?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation mirrors the original factory procedure and requires basic hand tools. You remove the two caliper mounting screws and the brake cable pinch bolt, replace the caliper, then reinstall the mounting screws and reattach the cable to set the tension.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRemove two frame-mounted caliper screws and the brake cable\u003c\/li\u003e\n  \u003cli\u003eTake out old caliper and install GREHUA unit in same orientation\u003c\/li\u003e\n  \u003cli\u003eUse included screws and shims to secure and re-pin the brake cable\u003c\/li\u003e\n  \u003cli\u003eAdjust cable tension and test brake engagement before riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and parts is this caliper compatible with?\u003c\/h3\u003e\n\n\u003cp\u003eThis rear brake caliper is designed for many Razor models and fits other small electric and gas off-road vehicles with similar mounting. It is a functional replacement for OEM part W15128190009 and suits a variety of scooters, pocket bikes and ATVs that share the same mounting layout.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with Razor MX500, MX650, SX500 and McGrath Dirt Rocket\u003c\/li\u003e\n  \u003cli\u003eFits Dirt Quad 500 ATV and E500S electric scooters where mount matches\u003c\/li\u003e\n  \u003cli\u003eWorks as a universal rear caliper for some pocket bikes, go-karts and e-bikes\u003c\/li\u003e\n  \u003cli\u003eReplaces Razor part number W15128190009 (front\/rear fitment)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the material and durability features?\u003c\/h3\u003e\n\n\u003cp\u003eGREHUA uses a premium metal construction to minimize compression deformation and resist aging or fracture under typical off-road stresses. The robust build ensures long-term reliability when properly installed and maintained.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePremium metal alloy resists wear and mechanical fatigue\u003c\/li\u003e\n  \u003cli\u003eDesigned to avoid deformation under braking loads\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant finish for extended service life\u003c\/li\u003e\n  \u003cli\u003eDual-pad style compatible with common brake pad configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what additional parts might you need?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit includes essential mounting hardware to replace a like-for-like caliper. If your original brake pads, mounting bolts or cable are excessively worn, consider replacing them as well to ensure optimal braking performance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePackage includes: 1 x GREHUA brake caliper, 2 x screws, 2 x shims\u003c\/li\u003e\n  \u003cli\u003eMay require brake pads if worn or not transferred from old caliper\u003c\/li\u003e\n  \u003cli\u003eBasic hand tools needed: socket or wrench set, screwdriver, pliers\u003c\/li\u003e\n  \u003cli\u003eBrake cable adjustment and a test ride recommended after install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders or technicians restoring or maintaining small off-road and electric motocross vehicles — especially owners of Razor MX500, MX650, SX500 and similar models — who need a durable, direct-replacement rear caliper that matches OEM mounting and provides long-lasting braking performance. This kit is ideal for DIY mechanics comfortable with basic brake work and for repair shops servicing recreational electric vehicles where a reliable, metal-bodied caliper is required.\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: Will this caliper fit my Razor MX500 rear wheel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s designed as a direct rear replacement for Razor MX500 and matches OEM part W15128190009.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are brake pads included with the GREHUA caliper kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the kit contains the caliper, two screws and two shims; pads must be reused or purchased separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GREHUA","offers":[{"title":"Default Title","offer_id":48084480327838,"sku":"B0B4G4KMBD","price":29.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/grehua-rear-caliper-front-view.jpg?v=1785856730","url":"https:\/\/northtrailauto.ca\/products\/grehua-rear-disc-brake-caliper-kit-for-razor-mx500-mx650-sx500-metal-alloy-replacement-with-mounting-hardware","provider":"North Trail Auto","version":"1.0","type":"link"}