Originally Posted by
fietsbob
OK, but Primo Comets are Cheaper..
Depends on where you are. Over here Kojaks are much cheaper than Comets. In the US it may be the other way round.
Originally Posted by
fietsbob
Marathon K is on the Brompton, the others have reduced the black rubber, displaced , thickness,
over the green and blue bands , so not as much wear life ..
Marathon K discontinued
What is a "Marathon K"? Both, Marathon Green and Marathon + are good for a lot of miles, far more than the Kojak and more than the Brompton Kevelar (das has been discontinued). Maybe the Marathon Racer fits your desires better.