Venom’s new line of Pinion Gears give you a wide range of options to fine tune the performance of your model. Venom Pinion Gears are CAD designed and CNC machined from high quality billet brass, include set screws and are available in the most popular gear choices. All pinions come in 2.0 and 2.3mm shaft sizes and .4 module metric gear pitch for small gear box applications or .5 module metric gear pitch for Micro/400 class helicopters, micro cars, and some 10th scale applications.