Originally Posted by mtveten

Although I prefer the higher speeds of 21.5 / rubber F1 I agree that 25.5 is the better choice for healthy racing, Especially at the club level where there is greater spread in driver ability within the same heat. I enjoyed the years of foam f1 but I certainly dont miss cutting tires, and adjuting to maintain rollout. Foam tires increase the learning curve & entry barier for newer races with higher speeds being the only gain. A decent rubber spec tire would be the best option. The past several generations of ride tires have been solid outdoors and I would expect their new VR tires to be no different. shimizu tires have been the go to for carpet for a long time, is there really a need to chage from that?