KST BLS159 Low Profile Brushless Digital Metal Gear Servo

KST BLS159 Low Profile Brushless Digital Metal Gear Servo
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The KST BLS159 Low Profile Brushless Digital Servo features a CNC aluminum case, metal servo gears, and a wide input voltage from 4.8-6V making this the perfect choice for various RC Car applications from 1/10 scale 2wd Buggy or 4wd Buggy, 1/10 scale drift cars, or anything else where a Low Profile servo is required! 


  • Low profile standard size aluminum case
  • Full metal gears
  • Dual ball bearings
  • Lightning fast
  • Brushless motor   

Operating Voltage: 
Size: 40.5x21.1x30mm   
Torque: 8kg.cm @ 4.8V; 10Kg.cm @ 6V | 110oz/in @ 4.8V; 138oz/in @ 6.0V 
Speed: 0.10sec/60° @ 4.8V; 0.09sec/60° @ 6.0V   
Weight: 55g   
Working Frequency: 1520us/333Hz, 900us - 2100us   
Motor: Brushless
Ball Bearing: 2BB

This product was added to our catalog on October 4, 2017

Verified Owner
Wednesday, Nov 20 2019 (about a year ago)
KST BLS159 Low Profile Brushless Digital Metal Gear Servo
Servo is ok, but customer service is non existent. I stripped a gear and contacted KST to get the part number so I could replace the gear and continue using my servo. Reached out to them twice, and never received a response. A-Main was also not able to inform me (they did respond) the part number of the replacement gear. Very lousy experience, avoid KST at all cost.