Friendly Tips: it’s not a 2 speed but actually a front dig. comes with a "dig function" in the gearbox, pull the lever it will locks the back wheels.
The rear output is supported by bearings to improve the efficiency of the power transmission system, and is cross-drilled for use with through-pin drive shafts
Material: Aluminum Alloy+steel
Exquisite workmanship, smooth and durable, sand-proof and dust-proof.