40A
20A (Soft) — 80A (Hard)
Grip Level
Medium
Best Surface
Club Track
Wear Rate
Moderate
Pro Insight
40A tires are the gold standard for club racing, offering a perfect balance between speed and durability on most standard track surfaces.
Compound Reference Chart
| Shore Range | Category | Primary Application |
|---|---|---|
| 20A - 30A | Super Soft | High-traction carpet, cold tracks |
| 35A - 50A | Medium/Soft | Club racing, standard asphalt |
| 55A - 80A | Hard | Rough outdoor bashing, concrete |