{"product_id":"35a-foc-controller-upgrade-kit-for-rad-power-bikes-radrover-6-plus-radcity-5-plus-compatible","title":"35A FOC Controller Upgrade Kit for Rad Power Bikes (RadRover 6 Plus \u0026 RadCity 5 Plus Compatible)","description":"\u003cp\u003e\u003cstrong\u003e⚡ COMING SOON: The Ultimate Rad 6+ Power \u0026amp; Tech Resurrection Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🚨 PRE-ORDER NOTICE \u0026amp; ESTIMATED SHIPPING:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e• Status: PRE-ORDER ONLY (Batch 1 Limited Production)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e• Expected Ship Date: Late August 2026 (Ships in approx. 3-4 weeks)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e• Lock in your kit now — Limited units available for the first production run! \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e  Orders will be fulfilled on a first-come, first-served basis.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe controller matches the original dimensions, allowing for a direct plug-and-play replacement while maintaining a clean, factory look(96mm*58mm*36MM)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAre you tired of the sluggish throttle, the fragile factory wiring, and the fear of a sudden controller burnout? \u003c\/p\u003e\n\u003cp\u003eMeet the  Ultima 35A FOC Upgrade Kit**—the most advanced, heavy-duty, and feature-packed controller system ever engineered for the **RadRover 6 Plus** and **RadCity 5 Plus**. \u003c\/p\u003e\n\u003cp\u003eWe didn’t just build an aftermarket controller. We analyzed the original factory controllers  engineered out all their notorious hardware vulnerabilities, and fused their best traits into one indestructible, high-performance powerhouse.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e🚀 Why the Ultima Kit Changes Everything:\u003c\/p\u003e\n\u003cp\u003e1. 35A FOC Sine Wave Technology — Butter-Smooth \u0026amp; Whisper-Quiet\u003cbr\u003eSay goodbye to the loud motor hum and jerky takeoffs. Our **35A Field-Oriented Control (FOC)** delivers insanely smooth, linear acceleration while unlocking the true peak torque of your Bafang motor. No shutter, no lag—just pure, relentless power.\u003c\/p\u003e\n\u003cp\u003e2. Bulletproof Circuitry — No More Blown PAS Sensors\u003cbr\u003eOriginal Rad controllers are notorious for back-feeding voltage and frying the PAS (Pedal Assist) sensor or the display when a short occurs. The Ultima features **industrial-grade physical opto-isolation**. Even if your wiring gets damaged, your core electronics remain 100% protected. \u003c\/p\u003e\n\u003cp\u003e3. Advanced Thermal Management — Zero Heat Fade\u003cbr\u003eEquipped with a custom-potted aluminum heat-sink housing and automotive-grade MOSFETs. Whether you are climbing steep hills or throttling through sand, this controller runs ice-cold with **zero thermal throttling or heat-induced power fade**.\u003c\/p\u003e\n\u003cp\u003e4. Next-Gen Safety: Heavy-Duty Headlight \u003cbr\u003eHigh-Power Headlight Support:** Finally, a controller that can feed high-wattage custom front lights without blowing the internal lighting circuit.\u003cbr\u003e5. Supercharged Stock Display Integration\u003cbr\u003eWant to keep that clean, original look? Our controller seamlessly integrates with your **original Rad-branded display and button pads**, while unlocking hidden display diagnostics, higher speed readouts, and customizable riding modes that the factory firmware locked away.\u003c\/p\u003e\n\u003cp\u003e---\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"SG","offers":[{"title":"Default Title","offer_id":50983196983463,"sku":null,"price":229.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/1112\/1575\/files\/20260718174958_1268_15.png?v=1784368235","url":"https:\/\/surgeglide.com\/products\/35a-foc-controller-upgrade-kit-for-rad-power-bikes-radrover-6-plus-radcity-5-plus-compatible","provider":"surgeglide","version":"1.0","type":"link"}