Originally Posted by AdrianM

Depends where you run. At the Worlds many drivers thought the very flexy Yokomo 1/12th rims were best. Most of the A-Main guys used them at least in the rear. Softer rims give you more grip. Of course you may not want that on carpet.

Jaco's have won everything there is to be won on asphalt and carpet with their current plastic mix and rim design so they are right on and should not change a thing...well...maybe a wider offset front rim