Manufacturer Description

This is the Hot Racing 2 Speed Transmission Conversion for the Axial SCX10 II.

FEATURES:
Offers an even lower gear than stock for rock crawling and higher
    gear than stock for faster speed
Hardened steel shafts, gears and gear shift mechanism
CNC machined aluminum shift servo mounts
Controlled by 3rd channel on transmitter (does not shift
    automatically)

INCLUDES:
Gears, Shift Fork, Spacers, Ball Bearing and all Mounting Hardware

REQUIRES:
Servo and Servo Arm for shifting
Extra Radio Channel

BOX DIMENSIONS: 2.13" W. X .88" H. X 3.63" L.
BOX WEIGHT: .17 LBS.