Hobbywing Xerun 120A V2.1 Sensored Brushless ESC/Motor Combo w/Program Box (5.5T)

This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
Low Price: $183.49
Discontinued Online

This is the Hobbywing Xerun 120A V2.1 Sensored Brushless ESC and 5.5 Turn Motor Combo, with an included LCD Program Box.

V3.1 Versus V2.1
Aside from being a smaller and lighter ESC, the V3.1 also features a built-in electronic switch, aluminum bottom case and additional programming capabilities, plus more. Aside from these differences, V3.1 and V2.1 are quite similar. In fact, the V2.1 is a very capable ESC and will satisfy the needs of most racers. 

ESC Features:

  • Compatible with most of sensorless and sensored brushless motors such as Novak, LRP, Orion and Tekin, etc.
  • Large current endurance.
  • Most effective cooling structure.
  • Excellent start-up, acceleration and linearity features, best control feeling.
  • Plenty of programmable items, suitable for various of chassis's, tires and racing tracks.
  • Multiple protection features: Low voltage cut-off protection / Over-heat protection / Throttle signal loss protection.
  • Internal timing can be changed easily to make the ESC suitable for various of motors.
  • Easily programmed with the SET button, LED Program Box, Multifunction LCD Program Box and USB Link Software.
  • ESC firmware can be updated through the USB adapter in the LCD Program Box .
  • Plenty of firmware available for all kinds of competitions.
    • Standard firmware for MODIFY competition.
    • Supercharged firmware(with turbo timing) for SUPER STOCK competition.
    • Zero timing firmware for ROAR SPORTMAN race and other fair races.
  • Also suitable for rock crawler pro race when using “Crawler” working mode.

Motor Features:

  •  Top quality materials:
    • Aluminum shell (case)
    • Best quality magnets of high temperature endurance
    • Copper wires of high temperature endurance
    • Top quality bearings
  • Dustproof design.
  • 5.5T to 21.5T motors use low resistance 3.5mm bullet-connectors, plug and play.
  • The sensor port is parallel to the end bell, easy for installation, more suitable for smaller chassis with limited space.

ESC Specifications:
Current: Continuous: 120A
Burst: 760A
Input: * Note #1     4-9 cells NiMH/NiCd, 2-3S LiPo
Built-in BEC: 5.75V@3A (linear mode)
Resistance: 0.0003 Ohm
Motor Supported: Sensored and sensorless brushless motor
Suitable Motor: With 2 Lipo or 4-6 NiMH = 1/10 on-road: >=3.5T, 1/10 off-road: >=5.5T. With 3 Lipo or 7-9 NiMH = 1/10 on-road: >=5.5T, 1/10 off-road: >=8.5T
Suitable Car: 1/10, 1/12 all competitions, 1/10,1/8 rock crawler
Cooling Fan: 5V
Size: 43mm(L) * 36mm(W) * 33mm(H)
Weight: 105g
*Note #1:

  • For 4-6 cells NiMH/NiCd or 2S LiPo, the standard cooling fan needn't be changed.
  • For 7-9 cells NiMH/NiCd or 3S LiPo, the standard cooling fan need be changed to 12V high voltage fan.

Motor Specifications:
Motor Diameter:
Motor Length:
Shaft Diameter:
Shaft Length:
No, fixed timing

LCD Program Box Specifications
90mm (L) * 51mm (W) * 17mm (H)
Weight: 65g
Input Voltage: 4.5-12.6V (If the ESC hasn’t a built-in BEC, you must use an additional battery pack to supply the program box)
Display: 16x2 characters LCD.
Interface: Mini USB interface, ESC interface (Futaba plug), Power supply interface (Futaba plug)

This product was added to our catalog on July 29, 2014.