Description and materials - Ultra light 20" front tube from Maxxis. - High quality butyl inner tube, with a 0.6mm wall thickness to help reduce tube weight to a minimum. - Schrader valve (car type), with plastic cap. - Mainly used on 20" rear wheels. - Ideal for high level competition, or riders who want to save some weight. Dimensions - 20 X 1.90/2.125 Finishes - Black Weight - 104g only!
