BMW wheelchairs, high-tech Bikes: life in the Paralympic fast lane

The machine, created by BMW’s California-based firm Designworks and customized to fit each athlete, is made from carbon fiber
A wheelchair made by BMW and a prototype bike so valuable it must be kept under guard are two of the new weapons in Rio Paralympians’ unending race for a competitive advantage.

http://phys.org/news/2016-09-bmw-wheelchairs-high-tech-bikes-life.html