SB-2291SG

30.0 kg/cm |0.042 s/60° |8.4V

Patented Brushless

Line
Application
Servo Size
Operating Voltage
Speed
Torque
Amplifier Type
Motor Type
Case Type
Protection
Dimensions (L x W x H)
Weight
Gear Type
LineMONSTER LINE
ApplicationCAR / HELI;AIRPLANE
Servo SizeStandard
Operating Voltage6.0V-8.4V
Speed0.042 s/60°
Torque30.0 kg/cm
Amplifier TypeDigital Controller
Motor TypePatented Brushless
Case TypeAluminum
ProtectionWater Resistant
Dimensions40.3 x 20.2 x 38.7 mm
Weight79 g
Gear TypeSpecialized Steel
SB-2291SG
SB-2291SG

Lightning-Fast Response

The fastest servo in the Monster Line – perfect for speed-critical applications.

Ideal for Helicopters

Preferred choice for RC helis where precision and reaction time matter most.

Brushless Power

Efficient and responsive brushless motor delivers smooth, accurate movement.

High Voltage Ready

Fully compatible with up to 8.4V input for peak performance.

Extreme
Speed

Brushless – 8.4V – Monster Line Performance

Max Götzl Explains the Monster Line

Are you looking for a new servo for your RC car and the Savox Monster Line caught your attention — but you’re not sure what sets each model apart? In this video, Max Götzl, one of Europe’s top RC drivers, gives a clear and practical breakdown of the SB-2290SG, SB-2291SG, SB-2292SG, and SB-2295SG.

Max shares his experience using these servos in nitro and electric off-road racing, highlighting the unique torque/speed balance of each model. Whether you’re dialing in a nitro setup or fine-tuning electric buggy steering, this is the insider overview you’ve been waiting for. He also touches briefly on the next-gen SB-32 series, now available globally.

MONSTER LINE

The pinnacle of Team Savox engineering - the Monster Line features our most advanced servos, built for drivers, pilots, and racers who demand the absolute best in torque, speed, and durability.

With high-voltage brushless motors, steel gears, and optimized internals, Monster Line servos dominate in everything from 1/8 racing to high-load surface builds and heavy-duty off-road. It’s performance without compromise.

Size

Full specification

Line
Application
Servo Size
Operating Voltage
Speed @6.0V
Torque @6.0V
Speed @7.4V
Torque @7.4V
Speed @8.4V
Torque @8.4V
Amplifier Type
Motor Type
Case Type
Protection
Dimensions (L x W x H)
Weight
Gear Type
Compability
PCB Board
Horn Gear Spline
LineMONSTER LINE
ApplicationCAR / HELI;AIRPLANE
Servo SizeStandard
Operating Voltage6.0V-8.4V
Speed @6.0V0.06 s/60°
Torque @6.0V17.0 kg/cm
Speed @7.4V0.05 s/60°
Torque @7.4V23.0 kg/cm
Speed @8.4V0.042 s/60°
Torque @8.4V30.0 kg/cm
Amplifier TypeDigital Controller
Motor TypePatented Brushless
Case TypeAluminum
ProtectionWater Resistant
Dimensions40.3 x 20.2 x 38.7 mm
Weight79 g
Gear TypeSpecialized Steel
CompabilityNormal
PCB Board12-bit
Horn Gear Spline25T(Φ6)
Rotating Direction
Max Travel
Operating Travel
Neutral Position
Bearing
Potentiometer
Cable Diameter
Cable Length
Connector
Stall Current @6.0V
Operating Current @6.0V
Stall Current @7.4V
Operating Current @7.4V
Stall Current @8.4V
Operating Current @8.4V
Idle Current
Dead Band Width
Frequency Range
Control System
Operating Temperature
Rotating DirectionCounterclockwise (when 1000→2000 μsec)
Max Travel~130° (when 900→2100 μsec)
Operating Travel100° (when 1000→2000 μsec)
Neutral Position1500 μsec
Bearing3x Ball Bearings
PotentiometerVR
Cable Diameter22 AWG
Cable Length300 ±5 mm
ConnectorJR Connector
Stall Current @6.0V7200 mA
Operating Current @6.0V200 mA
Stall Current @7.4V9200 mA
Operating Current @7.4V220 mA
Stall Current @8.4V10500 mA
Operating Current @8.4V250 mA
Idle Current5 mA
Dead Band Width3-5 μsec
Frequency Range50-360 Hz
Control SystemPulse width modification
Operating Temperature-10°C to 50°C
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