The Teravail Standard Schrader and Presta Valve tubes feature our widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability. - 0.9mm wall thickness - Removable Presta valve core - Teravail Standard packaging features environmentally friendly soy ink printing on recycled cardboard - Size: 700c x 30 - 43 - ISO Diameter: 622 / road / 29" - ISO Width: 30 - 43mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 140g