Q-Tubes Thorn Resistant 26″ x 1.9-2.125″ Schrader Valve Tube 642g

– 4mm wall thickness in the tread area and 2mm in the rim area
– ISO Diameter: 559 / 26″ mtn , 584 / 650b / 27.5″
– Tube Compound: Butyl
– Valve: Standard Schrader
– Valve Core: Removable
– Valve Length: Schrader
– Valve Shaft: Smooth
– Weight: 452g (1.5-1.75), 642g (1.9-2.125)