The BASIC bicycle tubes we retail are the ones we source and use for our customers' tubes replacement. They are of fair quality for their price.
Usually, there are 2 types of valves - Schrader / American Valve (AV) & Presta / French Valve (FV) and they come in sizes from 33mm - 48mm for BASIC tubes.
KENDA tubes have tough 1mm wall thickness for compatibility with a wide range of applications. Available in all sizes with a variety of valve types.
MAXXIS offers different models of tubes to suit different uses.
VITTORIA tubes are made of tough, puncture resistant butyl.