Zooka Inner Tube 20″ x 4.00″

Strong Tubes for eBIke-FatBike 20″ – 4″ Tires

Tube Type: Standard
Tube Size: 20″ x 4.00″
Rim Diameter: 16″
FatBike Tire Diameter: 20″
Tube Valve Type: TR4 Straight Metal Stem
Material: Butyl Rubber
These tubes are great for shock absorption and have outstanding resistance to heat, aging, weather, ozone, chemical attack, flexing, abrasion, and tearing.