Inner Tube 20 x 4.0” Fat Tire Bike Tube

- Designed for rolling speed and minimal drag on plain dirt and asphalt - Honeycomb central tread pattern provides incredible tread life, while offering excellent traction in dry or wet conditions - Diamond-coated side blocks - Etrto: 102-406 - Excellent grip on all surfaces - Stiff - E-Bike Ready 50 - Weight 1285gr