GreenSpeed was one of the first commercially viable tadpole manufacturer. The company has long set the standard for innovation and excellence in tadpole trikes. They offer trikes for big and small people, folding trikes and even trikes that can be disassembled and packed in a suitcase for ease of transport or storage.

GreenSpeed "GT series" $2,600-$6,000. The price of the models varies greatly because of the available configurations, options, and accessories that can be implemented.

All information about the tricycles is taken from the GreenSpeed website