|Contes Engineering "Athos" Quad Bike|
The Athos is engineered for street and dirt.
The Contes website indicates that both their CV joints and differentials will be made available on the market for DIY builders. Contes also offers a consulting engineering service to product developers, with a focus on cycling, though they say they've also done automotive work and automation for semiconductor manufacturing.
Check out the video of the Athos in action below.