Are you racing Carpet Foam, Carpet Rubber, or Asphault Rubber?
What Axiom Motor is it? CO27?
Then I can tell yo more...
Im thinking ur racing rubber cause with teh average 58mm foam tires, that would be 21.69mm rollout and the is super low!
TLR ~ MaClan ~ Hobbywing ~ Futaba ~ Proline ~ Werks Racing ~ Genesis R/C Products ~ Mr. Scrubbles ~ First Premier Satellites