Castle Creations Mamba Monster XLX2 8S 1/5 ESC/Motor Combo w/1721 Sensored Motor (1260kV)

Castle Creations Mamba Monster XLX2 8S 1/5 ESC/Motor Combo w/1721 Sensored Motor
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Price: $465.95

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The Castle Creations Mamba XLX 2 1/5 Scale Sensored Brushless Combo with 1721 1260Kv motor is a product guaranteed to redefine the limits of large scale RC. Though it shares the name of its predecessor, the Mamba XLX, this is an ESC that lives in a class of its own.

Reengineered from the ground up, the Mamba XLX 2 is packed with a potent combination of design, hardware and software advancements that will set a a higher standard for large-scale power systems. Designed for 1/5 Scale models weighing up to 42 lbs, the XLX 2 is an incredible power upgrade for the Arrma Kraton 8S and Outcast 8S, or Traxxas X-Maxx models! If you are looking for the ultimate upgrade for your speed run, drag racing or off-road rigs - the XLX 2 is a true heavyweight, with no contenders.

  • Some vehicles may require aftermarket parts to allow ESC and/or motor fitment.
  • The XLX 2 is not meant to operate while fully submerged in water.
  • ESC fan is not water resistant


  • Sensored, Sensorless and SmartSense™ running modes
  • Powerful Integrated 20A Peak Adjustable BEC (5.25V-8.0V)
  • Premium forged heatsink for superior airflow and increased heat dissipation
  • Oversized factory equipped thermally controlled 50mm fan
  • Waterproof design for all weather conditions
  • ESC is housed in a rugged CNC aluminum case and potted in waterproof epoxy to protect the components and promote efficient heat transfer
  • Data-logging capability to capture and record performance data from your vehicle
  • Auxiliary wire functionality for “on-the-fly” adjustments using your transmitter
  • Audible alerts for easy diagnosis of possible issues such as motor over-temperature and low voltage cutoff
  • Convenient transmitter programming for six adjustable settings such as cutoff voltage and drag brake
  • Easily tune and update ESC with USB and Bluetooth™ programming options
  • Castle Link USB programming kit (coupon included with purchase)
  • Optional smartphone-based programming with the B-LINK™ Bluetooth Adapter (sold separately) and Castle Link app available on Google Play or Apple App Store
  • Proudly designed and manufactured in Olathe, Kansas USA and backed by Castle Creations’ 1-year warranty


  • ESC:
    • Input voltage range: 3S-8S LiPo
    • Length:  3.98” (101.2mm)
    • Width: 2.49” (63.3mm)
    • Height: 2.2” (55.8mm)
    • Weight: 13.1oz (371g)
    • On/Off Switch: Yes, Waterproof
    • Cooling Fan: Yes, thermally controlled factory equipped (50mm) fully removable**
    • Running Modes: Sensored, Brushed, Sensorless and SmartSense™ when paired with a Castle 4-POLE 12-SLOT Sensored Motor. (Dust cover included in package for non-sensored operation)
    • Wire Gauge: 8AWG
    • Telemetry Link Capable: Yes, with Castle Creations Telemetry Link for S.BUS2 and Futaba T4PX and T7PX, T7PXR Transmitters
  • Motor:
    • Application: 1:5th Scale vehicles weighing up to 25lbs such as the Arrma Kraton 8s, Arrma Outcast 8s, Traxxas X-Maxx
    • Input Voltage Range: 3S(11.1V) - 8S(33.6V) LiPo
    • Kv Rating: 1260Kv
    • Max. RPM: 45.000
    • Diameter: 1.87" (47.6mm)
    • Length: 3.99" (101.2mm)
    • Shaft Size: 22mm(Length), 8mm(Diameter)
    • Weight(w/wires): Approx. 44oz/1.25kg
    • Mounting Hole Specifications: (Holes) 4mm & 3mm / (Spacing) 25mm
    • Connectors: 8.0mm male connectors, 300mm Direct Connect Sensor Wire


  • (1) Mamba XLX2 ESC
  • (1) 1721-1260kv Sensored Brushless Motor
  • (1) 300mm Direct Connect Sensor Wire
  • (1) Mamba XLX2 Quick Start Guide
  • (1) Coupon for free Castle Link USB
  • (1) Mamba Decal Sheet

This product was added to our catalog on May 23, 2023