HobbyStar HS-400 Gyro, Adjustable Stability Control System, Drift-Assist

SKU: 400-10-CNF

Availability: In stock


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The HobbyStar HS-400 gyro is the ultimate secret weapon for drifting and all-around driving.  Whether drifting, or driving on loose/wet conditions it gives you perfect control of your vehicle in the turns.  By automatically counter-steering for you when the rear end begins to slide, it greatly improves the handling of your vehicle in loose conditions and lets you drift with amazing control.

Additionally, it has an optional lead that can be connected to a 3rd channel on your receiver that allows you to remotely adjust it from your remote while driving.  When not connected to a 3rd channel, the HS-400 is still fully adjustable with the dial built right into it using the included screwdriver.  Reversible direction allows use in any application, and it is compatible with both digital and analog servos.

Housed in a beautifully machined aluminum case and available in black, blue, orange and red.  Add one of these to your car and take your driving to the next level!



  • Dimensions: 25.6 x 24.5 x 10mm
  • Weight: 13.5g
  • Operating Voltage: 3.6-6V
  • Servo Pulse Width: 1250uS (50Hz & 333Hz)
  • Operating Temperature Range: -10C to 45C (14F - 113F)
  • Control System: PID control system
  • Sensor: Vibrating gyroscopic sensor
  • Angular Velocity: Maximum +/- 5000/s
  • Includes: HS-400 gyro, mounting tape, adjusting screwdriver and instructions


Customer Reviews (2)

Can't go wrongReview by Jason
Awesome little addition. Plugs online so it's install is neat. Very easy to set up. Using it on my electric dragster and wow what a difference. Keeps it straight and true, like firing a missile. You will not be disappointed (Posted on 3/29/2023)
DriftingReview by Mutation Racer
I purchased this gyro for drifting , replacing a gyro I had. What can I say but what a difference over the old one (Posted on 3/30/2016)

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Hi I am using a Hs400 gyro, but i doesn't work very well, do I have to put it a special place or something?
gyros work best when as close to the center of the vehicle as possible (front to back and side to side, centered in the vehicle) and take some time to adjust the gain setting to get it dialed in to your liking.
RCJuice answered on April 23, 2018
Does it only work with Hobby Star components?
No these work with any servo. Gyros work on any vehicle with a steering servo with a standard plug. The gyro plugs inline between your servo and receiver (extra harness is included to plug-in), when it senses that the vehicle is rotating without steering input it will automatically countersteer. When you apply steering inputs that overrides the gyro action and allows you to steer the car normally.
RCJuice answered on June 29, 2018
Are these Gyro's $24.99 or the $32.99 ? reason why asking I have over 30 Rcs & I plan on buying more then 1...
They are currently $32.99 on the website.
RCJuice answered on September 18, 2020

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