Challenge Superlight Corsa Latex Inner Tube for 23c-30c 700c Road Tyres Size:23c-30c With 10-speeds

With 10-speeds

soupy mud - it's a superb

is to also make the frame perfect for road racing - a genuinely lightweight

HUP 100mm stem

Challenge Superlight Corsa Latex Inner Tube for 23c-30c 700c Road Tyres Size:23c-30c With 10-speedsLightweight (just 65g each!) latex inner tube to reduce the rotating weight to a minimum, an important issue for kids road racing. When used with a set of lightweight tyres, you can remove over 300g of rotating weight from the wheelset! Latex inner tubes are known for their lower rolling resistance and are thinner and more flexible than butyl tubes, offering better puncture resistance than a traditional inner tube. The Challenge SuperLite Corsa Latex