This high-quality 20 x 4.0 inch fatbike tube fits all common fatbikes with the corresponding wheel size, as well as the UNI MK & Maxi e-bike and should be included in every bike maintenance and emergency kit.maintenance & emergency kit!
The bike tube fits all tires with 20 x 4.0 to 20 x 4 1/4 inch and 20 x 3.0 or 20 x 3 3/4 inch tires, as well as rims From 80mm width.
