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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
With 10-speeds
durable and equipped with SRAM’s super wide gear range that’s a perfect fit for any ride
A narrow 660mm bar (which can be shortened too) to fit the rider and avoid over-stretching
Super stretch 2mm shoulder and arm panels for comfortable and energy efficient swimming
Lightweight design
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