{"product_id":"reedy-sonic-540-sp5-21-5t-sensored-brushless-spec-motor-roar-approved","title":"Reedy Sonic 540-SP5 21.5T Sensored Brushless Spec Motor ROAR Approved","description":"\u003cdiv\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eReedy Sonic 540-SP5 21.5T Spec Brushless Motor\u003c\/strong\u003e is designed for competitive 1\/10 scale spec racing classes where smooth drivability, efficiency, and consistency are paramount. As part of Reedy's SP5 motor platform, the 21.5T variant emphasizes controllable power delivery and reduced thermal fade, making it ideal for beginner and spec-oriented racing categories.\u003c\/p\u003e\n\u003cp\u003eBuilt to ROAR specifications, this motor is widely used in spec touring car and spec off-road classes. The higher turn rating provides the most controllable power band in the SP5 lineup, perfect for developing skills while still delivering competitive performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCustom high-power stator design for stable torque\u003c\/li\u003e\n\u003cli\u003eCNC-machined aluminum housing with optimized cooling\u003c\/li\u003e\n\u003cli\u003eLow-resistance solder tabs and oversized collector ring\u003c\/li\u003e\n\u003cli\u003eBalanced rotor with high-strength magnet\u003c\/li\u003e\n\u003cli\u003eDual precision stainless steel ball bearings\u003c\/li\u003e\n\u003cli\u003eAluminum end cap with adjustable timing\u003c\/li\u003e\n\u003cli\u003eSensored design for smooth throttle response\u003c\/li\u003e\n\u003cli\u003eCompletely rebuildable\u003c\/li\u003e\n\u003cli\u003eBuilt to ROAR specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMost controllable power in SP5 lineup\u003c\/li\u003e\n\u003cli\u003eHeat-transfer epoxy minimizes fade\u003c\/li\u003e\n\u003cli\u003eEfficient design for cooler operation\u003c\/li\u003e\n\u003cli\u003eAdjustable timing for fine-tuning\u003c\/li\u003e\n\u003cli\u003eIdeal for beginner and spec racers\u003c\/li\u003e\n\u003cli\u003eCompetition-proven reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBest suited for 1\/10-scale touring cars and off-road vehicles\u003c\/li\u003e\n\u003cli\u003eCompatible with sensored brushless ESCs\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 1-2S LiPo\u003c\/li\u003e\n\u003cli\u003eIdeal for ROAR-legal 21.5T spec racing classes\u003c\/li\u003e\n\u003cli\u003eExcellent for beginners developing racing skills\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ASC27479\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Type:\u003c\/strong\u003e Sensored Brushless\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Size:\u003c\/strong\u003e 540\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurn Rating:\u003c\/strong\u003e 21.5T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 1-2S LiPo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 35.9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 52.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Diameter:\u003c\/strong\u003e 3.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 147-151g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Reedy Sonic 540-SP5 21.5T Sensored Brushless Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003cp\u003eMaster spec racing with the Reedy Sonic 540-SP5 21.5T motor. ROAR-approved design delivers smooth, controllable power ideal for beginners and spec classes while maintaining competition-quality performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"RC Hop Up Parts","offers":[{"title":"Default Title","offer_id":42816622395486,"sku":"ASC27479","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2929\/1614\/files\/asc27479.jpg?v=1779939556","url":"https:\/\/nez-emporium.com\/products\/reedy-sonic-540-sp5-21-5t-sensored-brushless-spec-motor-roar-approved","provider":"Nez Emporium","version":"1.0","type":"link"}