Hobbywing XeRun Justock XR10 JS2 G2.1 ESC & JS2 21.5T G2.1 Combo Set

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Zero-timing Design

The XR10 JUSTOCK ESC is specifically designed for Zero-timing racing class. Its timing system has been permanently set to ZERO degree. Using the same branded motor and winding will ensure that every racer will have the same power system for 100% fair and competitive racing. This combo set also includes a Justock G2.1 21.5T sensored motor with fixed timing for stock class racing.

ESC Specifications:
  • Type: 1/10 Brushless Sensored Fixed Timing Stock ESC
  • Waterproof: No
  • Cont./Peak Current: 60A/380A
  • Input: 2-3S LiPo/6-9 Cells NiMH
  • BEC Output: 6V @ 2A
  • Input Wires: 14AWG-200mm
  • Output Wires: 14AWG-200mm
  • Input Connectors: No
  • Output Connectors: No
  • Fan Size: 25x25x10mm
  • Fan Voltage Range: 5-8.4V
  • SET Button on ESC: Supported
  • LED Program Box: Supported
  • LCD Program Box: Supported
  • WiFi Module: Supported
  • Programming Wire: Programming/Throttle Wire
  • Firmware Upgrade: Supported
  • Size: 33.5x28.5x30.5mm
  • Weight: 59.8g
  • Vehicles: 1/10, 1/12 Touring Car and Buggy Competitions (Especially Stock Class)
ESC KV Rating/T Count:
  • 2S LiPo: 1/10 Touring Cars ≥8.5T and 1/10 Buggies ≥11.5T
  • 3S LiPo: 1/10 Touring Cars ≥13.5T and 1/10 Buggies ≥17.5T
  • (with 3650 sized Motors)
Motor Specs:
  • Name: Justock 3650 21.5T G2.1
  • Scale: 1/10 & 1/12
  • Type: Brushless Sensored Fixed Timing Stock Motor
  • Poles: 2
  • Kv Rating: 2050
  • LiPo Cells: 2-3S
  • No Load: 3A
  • Diameter: 35.9mm
  • Length: 52.5mm
  • Shaft: 3.17mm
  • Weight: 170g
  • Timing: Fixed