The Sunlite 29x2.10 (700x50-52) 48mm Presta Valve Bicycle Tube is a Premium Bicycle Tube. It's always a good idea to carry with you an extra tube or two while on your ride. It's easier to switch out your tube, than it is to repair it when it goes flat during a ride.
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Extra tubes are an item that every rider needs in their pack, and getting caught in the mountain without one can turn a great day of riding bad really fast....