![]() ![]() For Presta valves, unscrew the tip and press down to let all the air out. Remove the valve cap and nut sometimes found on Presta valves. For fronts, you'll probably need to hold one side of the quick release and turn the other counterclockwise to create clearance to get past the wheel-retention ("safety") tabs on the fork. To extract rear wheels, it helps to pull the derailleur back slightly to clear the axle parts as the wheel passes through. ![]() Open the quick release (or loosen the axle nuts) on the wheel with the flat and lift the bike to remove the wheel. Open cantilever brakes (these feature a cable that runs over the top of the tire) by lifting the cable end on one side out of its holder. Look for this if there's no lever on the brake. Some sidepulls are opened by pressing a button on the lever. Open linear-pulls (also called "direct-pulls" or "V-brakes") by lifting the end of the "noodle" out of its holder. Open sidepull brakes by fully rotating the little lever on the brake upwards. The first step in wheel removal (except for bikes with disc brakes) is opening the brake, which makes it easier to get the wheel out. If it's a rear flat, shift onto the smallest rear cog. Note that, while we've tried hard to answer every possible question you could have about flat tire repair, you only need to read as much as you want.Īs soon as you get that "sinking" feeling or hear the hiss of escaping air, let your ride partners know you have a flat (so they won't disappear over the horizon) and stop in a safe spot. Here are complete instructions for each of the simple steps to fixing your flat tire. ![]()
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