---
title: "Wheels & Tires"
description: "1. **Tire Type:** Not limited 2. **Wheel and Tire Size:** Wheels and tires of any diameter or width may be used. 3. **Ground Clearance:** The vehicle must have sufficient ground clearance to roll over a 2 × 2 inch piece…"
url: "https://www.electrathonamerica.org/docs/tires-and-ground-clearance/"
updated: "2026-10-20"
category: Handbook / Vehicle Design Rules
---

# Wheels & Tires

1. **Tire Type:** Not limited
2. **Wheel and Tire Size:** Wheels and tires of any diameter or width may be used.
3. **Ground Clearance:** The vehicle must have sufficient ground clearance to roll over a 2 × 2 inch piece of lumber milled to 1½ × 1½ inches without the vehicle contacting the ground.
4. **Driver Clearance:** With the driver in the normal driving position, no part of the driver’s body may come into contact with the tires, wheels, or spokes.