Pro Molded Inner Foam for 21mm "super narrow" tires. These new high quality Inner Foams will allow racers to fine-tune their tires to varying traction conditions. The soft Inner Foams will work well on low-traction surfaces, while the hard Inner Foams are best on high-traction surfaces like carpet and treated asphalt. The Inner Foams can be mixed for different traction properties. For instance, soft Inner Foams in the rear with hard Inner Foams in the front make the car easier to drive on slippery surfaces.
All of our molded inner foams can be re-used after the tires are worn out. Stock up now!
