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Variocycle is new city bicycle which saves energy while you are driving downhill, deccelerating or while braking. This energy can be used while starting at the green trafic light or while driving uphill.
It also uses variable transmission without gears to transfer bikers power on the rear wheel. User just need to set the hardness of pushing and bicycle adjusts users power to right speed.
When tension on drive belt is growing, the tensioning pulley moves and changes transmission ratio by moving wheel along two oposite-facing cones.
This bicycle has also two bags which are inserted into both wheels and no one can steel them while cycling.