Savox SAVSB2272MGP HV Brushless Digital Gyro Standard Servo Soft Start 8.4V Scale while the front bumper spring

while the front bumper spring provides additional impact absorption

It's a simple way to add operating interest and realism to any N scale scene

Extended drive shaft for improved drill-chuck engagement

56T spur with 18T pinion: PHBTRX520

Savox SAVSB2272MGP HV Brushless Digital Gyro Standard Servo Soft Start 8.4V Scale while the front bumper springSAVSB2272MGP High Voltage Brushless Digital Gyro Servo with Soft Start, 0. 028sec 138. 9oz @ 8. 4V The Savox SB 2272MG High Voltage Brushless Digital Servo combines a brushless motor and metal gears to ensure long lasting performance. The incredible speed of this servo makes it ideal for use with gyros. "Plus" series servos feature Soft Start and Sanwa SSR compatibility. *Replacement for SAVSB2275MG* Features: Metal Gear train for extended life and