This bike has unusual pattern and drive: two steering wheels, instead of rotating the pedal — levers. The force on the chain is transmitted when a cyclist privste from the saddle. And of course, no accident that the author constructs A. Zavratnik from the city of Kirov believes that a bike of this scheme, in addition to their primary role, is especially good as a casual trainer, substitute physical exercises.Recommend to read
CORROSION THREADED CONNECTIONS
During repair works of structures with steel threaded connections of the work items that have to deal with the complexity of their separation due to corrosion of the thread. These...
TRAINING CORD
This model has for many years successfully "replicated" by the modelers. The secret of its popularity are the simplicity of design and good flight qualities. And despite the immutability...
