Conquer Any Terrain with Ultimate Grip Worn-out tires compromise your braking distance, cornering stability, and off-road capability. Refresh your ride with the Official Burchda Heavy-Duty Fat Tire. Specially engineered for the extra weight and high torque of electric bikes, this replacement tire delivers the traction and durability you need to push your adventures further. Key Performance Features: Aggressive All-Terrain Tread: Features a multi-section, deep tread pattern that bites into dirt, snow, sand, and mud, ensuring enhanced traction on steep climbs and sharp corners. E-Bike Rated Durability: Constructed with high-density, thickened rubber to resist punctures, wear, and tear. Built sturdy to handle almost any environment. Smooth Obstacle Navigation: The high-volume fat tire design acts as a secondary suspension system, rolling smoothly over rocks, roots, and potholes with minimal feedback to the rider. 🛑 FITMENT GUIDE: HOW TO CHOOSE THE CORRECT SIZE Before adding this tire to your cart, you must verify the correct size for your specific e-bike. How to Check: Look closely at the sidewall of your current e-bike tire. You will find a set of numbers printed or molded into the rubber (e.g., "26 x 4.0"). Select Your Size: Match the number on your sidewall to the dropdown menu above. 26" x 4.0": Fits models like the HC26, RX30, RX80, R5 Pro, Y3, and U8. 20" x 4.0": Fits standard 20-inch folding or compact fat tire e-bikes. (Note: This listing is for ONE single replacement tire. Inner tubes are sold separately. If you are replacing both front and rear tires, please adjust the quantity to 2.)