The TorqueBox® by Torque Trends is the clear leader in reduction gearboxes for electric vehicle conversions:

proven performance with brute strength material and precision;
robust design incorporates a unique combination of high-grade steel and aluminum for a lightweight, yet durable, reduction gearbox that can withstand extreme conditions;
ensures smooth operation and maximum power output;
in addition to available1.9 and 3.0 reduction ratios, more ratios are being developed;
compact footprint of 10-11 1/2 " x 8 " weighing 36-60 lbs;
has proprietary ParkLock System for manual or electronic actuator controls making it street legal for use on public roads in the USA;
rated to 12,000 rpm and 800 ft lbs of torque; even higher with high performance and heavy duty upgrade packages;
SEMA award winning product.

proven performance with brute strength material and precision;