Mr. Tuffy prevents puncture flats. Place this self-sticking tube protector between the tire and the inner tube. This product protects the inner tube from being punctured.
Protects from thorns and glass.
Remove the wheel from the bicycle, and deflate the innertube.
Lift one side of the tire off the rim. Remove any debris material found in the tire casing.
Remove the inner tube. Wipe down the inner tube from any debris.
Insert Mr. Tuffy Tire Liner all around the inside of the tire, color side down, against tire the casing - overlapping, the ends of the liner. Do not trim. - The curve of the liner should lay inside the curve of the tire.
Put the tube back into the tire. Mr. Tuffy should be between the tire and the tube.