21G Gear Digital Servo 1:12 Scale Directly Replace High Torque RC Car Upgrade
【Great Upgrade for Your RC Car】: The 21g gear for 1/12 scale models is suitable for MN82, MN99S, MN168, MN78, and, RC crawlers and trucks. 【Detailed Specifications】: This 21G servo operates on a standard v of 4.8V to 6.0V DC.