Tires & Tubes Compatibility These 20×4.0 inch and 26×4.0 inch tires and tubes are specially designed for Wallke eBikes, providing reliable compatibility and a perfect fit. Whether you are riding on paved roads, gravel paths, sandy trails, or muddy terrain, these tires offer excellent traction and stability for a safe and confident ride. Available in both inner tube and outer tire options, these tires allow you to easily replace worn components and maintain optimal performance. Their wide profile improves flotation on soft surfaces and enhances balance, while the durable construction protects against punctures, cuts, and abrasions. Please note that tires are consumable components. Regular riding, road conditions, tire pressure, and load may affect their lifespan. For your safety and best performance, inspect your tires frequently and replace them if you notice excessive wear, cracks, or punctures. Maintaining proper tire pressure and taking care of your tires will help extend their service life, reduce rolling resistance, improve ride comfort, and ensure smoother, safer riding experiences. Wallke tires are engineered to combine durability, reliability, and performance for every journey, no matter the terrain.