{"product_id":"jmchstore-upgraded-seat-spring-kit-for-monster-mega-moto-mm-b80-mm-b105-coleman-rb100-3-5mm-bracket-heavy-duty-coil-springs","title":"JMCHstore Upgraded Seat Spring Kit for Monster Mega Moto MM-B80\/MM-B105, Coleman RB100 — 3.5mm Bracket \u0026 Heavy-Duty Coil Springs","description":"\u003cp\u003e\u003cstrong\u003eJMCHstore's upgraded seat spring kit replaces a rigid mini-bike saddle with a sprung cushion assembly designed to absorb bumps and improve rider comfort on Monster Mega Moto, Coleman RB100 and similar mini dirt bikes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit supplies the metal hinge plates, seat support plate, heavy-duty springs and all mounting hardware needed to convert an OEM plastic-mounted seat into a sprung seat. It’s built around a 3.5mm thick weight-bearing bracket and high-strength coil springs to stabilize the rider and soften impacts on rough terrain. Installation requires minor trimming of the factory seat—removing front and rear plastic clips—so it’s ideal for someone comfortable with simple seat modification and basic tools.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the spring kit change the riding feel?\u003c\/h3\u003e\n\u003cp\u003eBy placing steel springs and a reinforced support plate beneath the saddle, the kit introduces progressive shock absorption that reduces direct jolts transmitted to the rider. That results in a smoother ride over ruts, rocks and uneven pavement without altering the bike’s geometry.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoil springs cushion vertical impacts and rebound smoothly.\u003c\/li\u003e\n  \u003cli\u003e3.5mm support bracket prevents flex and maintains seat alignment.\u003c\/li\u003e\n  \u003cli\u003eImproved comfort over longer rides and off-road sections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich models and engines is this seat kit compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis kit is specified for Monster Mega Moto MM-B80 (80cc), MM-B105 (105cc), Coleman RB100, and FPR GMB100 99cc 3hp mini dirt bikes. Compatibility focuses on common seat footprint and mount positions; slight variations may require additional trimming or adjustment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for Monster Mega Moto MM-B80 and MM-B105 models.\u003c\/li\u003e\n  \u003cli\u003eFits Coleman RB100 mini bike seat configurations.\u003c\/li\u003e\n  \u003cli\u003eWorks with FRP GMB100 99cc 3hp models with minor fit tweaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does installation involve and what tools will I need?\u003c\/h3\u003e\n\u003cp\u003eInstallation includes removing the stock seat clips, positioning the hinge pieces, attaching the seat support plate and bolting the springs in place. You’ll need basic hand tools and a saw or rotary cutter to remove the front and rear plastic clips on the original seat for proper fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes all hinge components, support plate and mounting hardware.\u003c\/li\u003e\n  \u003cli\u003eRequires cutting\/removing OEM plastic clips—simple saw work.\u003c\/li\u003e\n  \u003cli\u003eBasic tools: screwdriver, socket set, saw\/rotary tool, and wrench.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow strong is the kit and what rider weight does it support?\u003c\/h3\u003e\n\u003cp\u003eThe bracket is 3.5mm thick and the springs are high-strength steel, engineered to support at least 180 lbs (approximately 82 kg) reliably. The construction prioritizes durability and stable seat position under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3.5mm thick weight-bearing bracket minimizes flex.\u003c\/li\u003e\n  \u003cli\u003eHigh-tensile springs maintain performance over repeated use.\u003c\/li\u003e\n  \u003cli\u003eRated to support riders of roughly 180 lbs and similar loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders who want a tangible comfort upgrade for short-track and trail riding on small-displacement mini bikes, owners of Monster Mega Moto, Coleman RB100 or FRP GMB100 models who don’t mind a quick seat modification, and DIY mechanics seeking a durable, easy-to-install cushioning solution. If you prefer a soft saddle out of the box, this kit offers a mechanical way to reduce vibration and impact without replacing the entire seat or frame.\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: Do I need to modify my original seat to install this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. You must remove the front and rear plastic clips from the original seat—simple cutting with a saw is required for a proper fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum rider weight this kit supports?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit’s 3.5mm bracket and high-strength springs reliably support riders around 180 lbs (about 82 kg).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JMCHstore","offers":[{"title":"Default Title","offer_id":48083896434846,"sku":"B0DDHWB3YT","price":100.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jmchstore-seat-kit-front-view.jpg?v=1785839184","url":"https:\/\/northtrailauto.ca\/products\/jmchstore-upgraded-seat-spring-kit-for-monster-mega-moto-mm-b80-mm-b105-coleman-rb100-3-5mm-bracket-heavy-duty-coil-springs","provider":"North Trail Auto","version":"1.0","type":"link"}