Continental Cross Tube

When you're riding your next 'cross race, the last thing you want to do is hop back on your bike after charging up a flight of slick stairs to discover you have a flat. We can't promise that Continental's Cross Tube is indestructible, but we can promise its seamless butyl construction is better insurance against flats than your basic bulk pack of tubes. This tube fits 700c tires and comes with a 42mm threaded Presta valve, and its butyl construction helps it stay more airtight than tubes made out of latex, so you won't have to reach for your pump every morning before taking it out on a ride.