low weight and excellent efficiency. 
Spiro Tec Gearboxes (STG) are gearboxes with right-angled output. The core of this product line is the spiral toothed gear set. This set makes it possible to responsibly transfer high torques with small axle distance in very little space. Both toothing parts are made out of hardened steel, so the gearbox works wear-free

We are interested in automotive cv joints (FOR ONLY JAPANESE MODELS )