The new tread grooves of the tyre closely follow the curve of the tread grooves in the current logo. They also end/stop in a similar place.
A subtle curved-corner has been added the top left of the “E”
Option A
Option B
The only difference in this option to tOption A is that the new tyre tread grooves run all the way down to the edge of the negative ‘T’.
The is is my preferred option as it looks more like a real and full-tyre whilst also creating more of the ‘T’.