http://shop.speedpowerrc.com/lm-fron...with-tire-set/
http://shop.speedpowerrc.com/lm-rear...with-tire-set/
LM1 Front and REAR forms are now $14.99 each (per pair)...at this price, it is way cheaper then the rubber tires. These foams will last for a long time...especially on high bit carpet. And have tons of traction on indoor or outdoor track....