This folding wheelchair wheel by London-based Vitamins design studio, can fold away for travel, storage and takes a much smaller and more convenient shape.
Images © Vitamins design
The foldable wheel has been short- listed by the Design Museum for their Design of the Year award for 2013.
This short video shows some of the prototypes we created at Vitamins when trying to understand how to fold a full sized wheel.
source Vtamins design