{"product_id":"bls159-low-profile-brushless-hv-digital-servo-15kgf-cm-0-11sec-60degree-for-rc-car-buggy","title":"KST BLS159 Low Profile Brushless HV Digital Servo 15Kgf.cm 0.11sec for 1\/10 RC Cars \u0026 Buggies","description":"\u003cp\u003eBuilt for the relentless demands of 1\/10 scale competition RC, the \u003cstrong\u003eKST BLS159\u003c\/strong\u003e low-profile brushless HV digital servo delivers class-leading stall torque of 15 kgf.cm and a blistering 0.11s\/60° no-load speed at 7.4V. Powered by a maintenance-free brushless DC motor with hardened steel gears and a full CNC aluminum casing, the BLS159 is engineered to handle the high-impact, high-frequency steering cycles of 2WD\/4WD buggies, drift cars, and any low-clearance chassis where premium low-profile performance is non-negotiable.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrushless DC Motor:\u003c\/strong\u003e Eliminates brush wear for longer service life, lower heat generation, and higher sustained torque output compared to conventional coreless servos.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Stall Torque:\u003c\/strong\u003e 15 kgf.cm stall torque at 7.4V provides exceptional steering authority and holding force under aggressive cornering and rough terrain impacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Profile Form Factor:\u003c\/strong\u003e Compact 26.5mm height fits directly into low-clearance 1\/10 scale buggy and drift car servo mounts without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Voltage Operation:\u003c\/strong\u003e Native 6.0V–8.4V range for direct 2S LiPo compatibility, delivering full performance without a voltage regulator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel Geartrain:\u003c\/strong\u003e Precision-cut steel gears supported by dual ball bearings resist flex and withstand repeated shock loads from jumps and curb strikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull CNC Aluminum Casing:\u003c\/strong\u003e Machined alloy housing ensures precise chassis fitment, maximum structural rigidity, and rapid heat dissipation during extended runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable \u0026amp; Soft Start:\u003c\/strong\u003e Customizable travel limits with soft-start protection to safeguard drivetrain linkages on power-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Voltage:\u003c\/strong\u003e DC 7.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e DC 6.0V – 8.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Type:\u003c\/strong\u003e Brushless DC Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Set Material:\u003c\/strong\u003e Hardened Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Material:\u003c\/strong\u003e CNC Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Dual Ball Bearings (2BB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition Sensor:\u003c\/strong\u003e Potentiometer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Frequency:\u003c\/strong\u003e 1520μs \/ 333Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefault Travel Angle:\u003c\/strong\u003e ±50° (100° Total)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +65°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft Start \/ Programmability:\u003c\/strong\u003e Yes (Programmable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 40.0 × 20.0 × 26.5 mm (±0.2mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 55g (±10%)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Ratings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStall Torque:\u003c\/strong\u003e 15 kgf.cm @ 7.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Torque:\u003c\/strong\u003e 4 kgf.cm @ 7.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-Load Speed:\u003c\/strong\u003e 0.11 sec\/60° @ 7.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Speed:\u003c\/strong\u003e 0.15 sec\/60° @ 7.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStall Current:\u003c\/strong\u003e 3.85A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 0.65A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDimensions \u0026amp; Sizing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/8280\/1402\/files\/BLS159-01.png?v=1789530686\" alt=\"KST BLS159 Servo Dimensions Diagram 1\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/8280\/1402\/files\/BLS159-02.png?v=1789530686\" alt=\"KST BLS159 Servo Dimensions Diagram 2\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDocumentation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/8280\/1402\/files\/BLS159_V8.0_Technical_Specification.pdf?v=1789530768\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"BLS159 V8.0 Technical Specification\"\u003eBLS159 V8.0 Technical Specification\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KST","offers":[{"title":"Default Title","offer_id":50221070844154,"sku":null,"price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/8280\/1402\/files\/BLS159-2.png?v=1788435256","url":"https:\/\/kstdigital.com\/products\/bls159-low-profile-brushless-hv-digital-servo-15kgf-cm-0-11sec-60degree-for-rc-car-buggy","provider":"KSTDigital","version":"1.0","type":"link"}