5mm hex key Four 2x10mm drivr pin

Dual Ball Bearings

Keeps the motor running cooler

Anti-sway bar arms and links are anodized red and Black for durability

fits 3s BLX 4x4 versions of the Big Rock

Savox - 1/5 Scale, High Voltage, Brushless, Digital Servo .13sec / 555oz @ 7.4V KYO33012T6 5mm hex key Four 2x10mmFeatures: Ideal for 1 5 scale off road and large scale aircraft applications Strong metal gear train for added durability. Extremely high torque output. Capable of operating on high voltage. Specifications: Torque @ 7. 4v 40. 0kg 555oz in Speed @ 7. 4v 0. 13 sec 60 deg Dimensions L x W x H (mm): 65. 8 x 30. 0 x 57. 4 Weight: 225. 0g