CVT with a neutral gear. Looks like the unnatural child of a Sturmey Archer hub and a Meccano set.
Here' the blurb https://www.ratiozer...ero MY24_Q4.pdf
I see they have only 'estimated' the efficiency. Why- they claim to have working prototypes (that amazes me, well done).
Keep your hand on your wallet.
Edited by Greg Locock, 02 December 2024 - 21:41.