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Good for budget racers. One-piece design means no more gluing strips of foam together! Now offered f... | Pro Molded Inner Foam 26mm (Rounded) inserts for standard width rounded tires such as our #4435 Raci... | Pro Molded Inner Foam 26mm (Rounded) inserts for standard width rounded tires such as our #4435 Raci... | Inner Foams for use with 26mm sedan tires. These inner foams are meant specifically to enhance the #... | Pro Molded Inner Foam for all 26mm standard width tires. All HPI Racing Molded Inner Foams fit into ... |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Pro Molded Inner Foam for all 26mm standard width tires. All HPI Racing Molded Inner Foams fit into ... | Genuine HPI parts! | Pro Molded Inner Foam for 21mm "super narrow" tires. These new high quality Inner Foams will allow r... | Pro Molded Inner Foam for 21mm "super narrow" tires. These new high quality Inner Foams will allow r... | Molded inner foams fit into the ridges of the wheel and provide a very stable inner foam for race ti... |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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The molded inner foams fit into the ridges of the wheel and provide a very stable inner foam for rac... | 24mm Pro Molded Inner Foams in our Orange compound! These inserts fall between our Yellow/Soft and R... | Designed specifically for our new Racing Slick 24mm tires, our new Pro Molded Inner Foams in "mid-wi... | Designed specifically for our new Racing Slick 24mm tires, our new Pro Molded Inner Foams in "mid-wi... | Designed specifically for our Racing Slick 24mm tires, our Pro Molded Inner Foams in "mid-width" 24m... |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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Softer 24mm Pro Molded Inner Foams for all medium-narrow tires and wheels. The new soft Yellow 24mm ... | Now available for use with all "mid-width" 24mm tires is our popular Low Bounce Inner Foam, which ra... |
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Buy HPI closed: 12-19 to 1-7 |
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Buy HPI closed: 12-19 to 1-7 |
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HPI Racing has a large selection of high performance touring car tires for every street or track surface. Use the chart below to find the tire that meets your traction requirements.
Which Compound is best for you?
| 35R |
Very hot-weather surfaces, long life span |
| 33R |
Hot-weather surfaces, long life span |
| 27R |
Warm-weather surfaces, long life span |
| 23R |
Cool-weather surfaces, long life span |
| 20R |
Cold-weather surfaces, long life span |
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| B15-40: |
Maximum grip, good life span |
| Pro Compound: |
High grip, average life span |
| Super Compound: |
Good grip, average life span |
| M-Compound: |
Average grip, short to average life span |
Belted or
Non-Belted?
HPI
developed our belted tires to help prevent the tire from expanding during
acceleration. A strip of nylon belt on the inside makes them very similar
to full-size racing tires. Another benefit is that the contact patch does not
squirm as much during cornering. The result of the belted technology is
more grip and much longer tire life.
Belted tires are perfect
for Nitro racers, the belts keep the tires from expanding (or "ballooning")
under the rotational forces while racing.
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