Crawler Innovations is out with another first. Introducing our Heavy Weight single stage closed cell foam pair. This new product features our dense car stand foam, cut and shaped into a complete inner tire foam. This dense inner, offers superior steering response, and a firm foundation for your tire. In high power applications, these foams do not expand resulting in controlled support that will allow the tire to grab traction across the surface. These foams are 100% water proof.
CWR-3320 was designed for use in the JConcepts Hotties SCT Drag Tire (part # 3194-02), Pro-Line RC Prime tire (part # 10113-17), Pro-Line RC Hoosier Drag Slick (part # 10157-203) and similar standard height 4.25" Short Course tires.
This new foam shape came together after months of development and racer input.
1. These foams are lighter in weight than anything available currently in the RC Drag Race market. One foam weighs 6 grams. Less rotational weight creates quicker race cars.
2. The edges of this foam have been kept square to maximize the tire contact patch and keep the sidewalls taut.
3. This foam has a flat contact patch, with no "comp cut" grooves machined into for maximum tread surface support.
This foam fully fills the tires and it will increase ground clearance and raise ride height. Care must be taken to adjust the vehicle by softening the suspension for the firmer tires and increased traction. These foams are much firmer than anything available on the market. They do not fold over under load whether it's high speed, heavy weight, or simply turning.
Approximate size: 3.875" Height x 1.625" Width (Remember that foam goes inside the tire and one must subtract lug and carcass thickness, plus any reinforcing from the overall tire height.)
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Posted by Scott on Sep 15th 2020
So far these are pretty awesome. Haven't made a bunch of hits with them yet but they dont balloon and lay the rubber down even. 4 stars will more than likely become 5 soon. Good product and shipped fast. I will be ordering more soon.
Posted by Josh on Sep 7th 2020
not only made my tires about 20 grams lighter, but also greatly improved the contact patch and helped control tire expansion at high speed. Excellent product!
Posted by Jake Scobie on Sep 3rd 2020
These foams are exactly what I’ve been looking for. Keeps a flat profile to all the No Prep slicks. They fit RawSpeed slicks perfectly. Less than half the weight of the stock molded foams and do not expand like the stock ones which prevents tire growth.
Posted by Ryno on Aug 30th 2020
I’ve tried these with 3 different tires and each one made a difference in consistency from bottom to top end speed for no prep Rc drag. With the exception I drilled holes through the foams from the breather before glueing the tire onto the wheel.
Posted by chris layman on Aug 30th 2020
I’ve struggled finding a good tire that was consistent with my car. I’ve ran the hotties for a while and recently changed to the reactions due to them staying flatter. Then I saw an add for these and was skeptical, but I had a set of hotties and figured what’s the worst that can happen. I’ve made my fastest passes and by far the most consistent passes with these foams. Never would have thought foams would make a difference but DAMN!!! I’m impressed!!!