Step 1: Remove the tire and old tube: Pry under the bead of the tire with one of the tire levers and hook it to a spoke. Move over about 4 to 6 in. and insert the other tire lever. Pry it down and then slide it along the rim to release the tire.
Step 2: Install the new tube: Press the tire back over the rim, being careful not to pinch the tube. If it’s too tight to push the last section by hand, use the tire levers to pry the tire onto the rim.