2 Pack 20x4 Fat Bike Inner Tubes for E-Bike MTB Bicycle 20x4.0 20x4.25 20x4.5
£9.72
Compatible with: 20x4.0, 20x4.10, 20x4.25, 20x4.50. 2 x 20x4 fat tire inner tubes. For best results, slightly inflate the tube before installation and check that it is seated correctly inside the tire before fully inflating.
