Contents: Pair of two (2) 20x4.0 Kenda Tire bicycle tire inner tubes with American Schrader valve stems Feature: 32mm American Schrader valve stems Feature: Multi-Fitment inner tubes that cover 20x3.50 through 20x4.0 bicycle tire sizes. Quality: Made from butyl rubber to provide a longer life while resisting ozone cracking and dry-rot. Cost Effective: These are shipped out of the box to keep costs to a minimum.
