This inner tube is compatible with 700 diameter tyres, with a cross-section ranging from 23 to 32 with a 80 mm Presta valve. This inner tube is compatible with 700 diameter tyres, with a cross-section ranging from 23 to 32 with a 80 mm Presta valve. Compatibility 700 diameter tyres, 23 to 32 mm across80 mm Presta valveETRTO 23/32 - 622 Waterproof Optimised composition to ensure your inner tube has a good seal.