Kenda Fatbike 26 x 4.0-4.8 Schrader TubeThe Kenda Fatbike 26 x 4.0-4.8 Tube is a wonderful replacement for your worn or damaged fat bike tube. These rubes are made with quality butyl rubber and have 1mm thick sidewalls. These have schrader valves. Weighs only 515g.047853014839