Holmes BLS HV500 Servo v2

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The BLS HV500v2 servo is designed for R/C Rock Crawlers, but at home in any vehicle that needs high torque with fast speeds. Enjoy silent performance from the high quality brushless motor and circuitry. An external BEC is recommended for optimal performance.


  • Water-Resistant Alloy Case
  • O-Ring Seals
  • All Metal Gears with improved pin strength
  • Brushless High Voltage-capable Motor
  • 24cm servo lead
  • 2s Lipo compatible (8.4v max)
  • 1 Year Warranty


  • Weight: 73g
  • Dimensions: 41x20x40mm
  • Spline: 25 tooth M3 threaded
  • Torque @ 6v: 25.9 kg/cm (360 oz/inch)
  • Speed @ 6v: 0.14 sec
  • Torque @ 7.4v: 32.4 kg/cm (450 oz/inch)
  • Speed @ 7.4v: 0.12 sec
  • Torque @ 8.4v: 36.0 kg/cm (500 oz/inch)
  • Speed @ 8.4v: 0.11 sec

Moly (marine) grease is recommended when lubricating the gears. Dielectric grease is recommended on the sensor board if looking to increase water resistance.