Q-Tubes Thorn Resistant 20″ x 1.5-1.75″ Schrader Valve Tube 450g *Low Lead Valve*

– Low Lead Valve
– 4mm wall thickness in the tread area and 2mm in the rim area
– ISO Diameter: 406 / 20″ BMX
– Tube Compound: Butyl
– Valve: Standard Schrader
– Valve Core: Removable
– Valve Shaft: Smooth
– Weight: 450g (1.5 – 1.75), 475g (1.75 – 2.125)