20x3.5–4.0 Fat Tire Inner Tube with 32mm Schrader Valve
Complete Your Repair
Regular price$9.59
Not sure it fits? Contact us before ordering — we’ll help confirm compatibility.
Replacing the tire too?
Get the matched Kasen Kabbit & Malibu 20x4 Tire + Tube Kit.
Get the matched Kasen Kabbit & Malibu 20x4 Tire + Tube Kit.
Replace a worn or punctured tube with this 20-inch fat tire inner tube, designed for tires approximately 3.5 to 4.0 inches wide. The 32mm Schrader valve makes inflation straightforward with common bicycle and automotive-style pumps.
- Size: 20 x 3.5–4.0 inches
- Valve: 32mm Schrader valve
- Compatibility: Many 20x4 fat tire bikes and e-bikes
- Construction: Thick, wear-resistant rubber for dependable everyday use
Check the size printed on your existing tire before ordering. Open the packaging carefully and avoid sharp tools that could damage the tube.
Compatible e-bike brands and models
- Kasen: Kabbit and Malibu models equipped with 20x4 tires
- Himiway: Escape Pro and Big Dog
- Rad Power Bikes: RadExpand 5, RadExpand 5 Plus, RadMini, RadMini Step-Thru, RadRunner 1, RadRunner 2 and RadRunner Plus equipped with 20x4 tires
- Other brands: E-bikes using 20x3.5–4.0 tires and a matching 32mm Schrader valve
Fit check: Compatibility is based on tire size and valve type. Confirm the size printed on your current tire and compare the valve before ordering. Original equipment can vary by model year.