Introduction

This guide puts the bike on a stand to replace its tube. However, you can turn the bike upside down and follow the same steps if you do not have a stand.

Tools

Parts

No parts required.

Image 1/2: Unfasten the left side of the wheel by pulling the black "L" shaped lever up with your hands. Image 2/2: Unfasten the left side of the wheel by pulling the black "L" shaped lever up with your hands.
  • Turn the bike upside down if you don't have a bike stand. This will make it easier to remove the tire.

  • Unfasten the left side of the wheel by pulling the black "L" shaped lever up with your hands.

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Image 1/2: Image 2/2:
  • On the right side, use your hands to unscrew the cap of the axle counterclockwise until it is loose.

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Image 1/2: Sometimes the axle will get caught in the boxed area. Use both of your hands to cautiously push it down harder until the tire comes loose. This may require a fair amount of force. Image 2/2: Sometimes the axle will get caught in the boxed area. Use both of your hands to cautiously push it down harder until the tire comes loose. This may require a fair amount of force.
  • Push down on the the tire with your hands to remove it from the frame of the bike.

  • Sometimes the axle will get caught in the boxed area. Use both of your hands to cautiously push it down harder until the tire comes loose. This may require a fair amount of force.

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Image 1/3: Deflate the tire by pressing down the air valve tip with your finger. Use as much pressure as needed to hear the air flowing out of the tube. Image 2/3: Deflate the tire by pressing down the air valve tip with your finger. Use as much pressure as needed to hear the air flowing out of the tube. Image 3/3: Deflate the tire by pressing down the air valve tip with your finger. Use as much pressure as needed to hear the air flowing out of the tube.
  • Slightly loosen the valve bolt counterclockwise with your thumb and index finger.

  • Deflate the tire by pressing down the air valve tip with your finger. Use as much pressure as needed to hear the air flowing out of the tube.

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Image 1/3: Image 2/3: Image 3/3:
  • Use you thumb and index finger to unscrew the valve nut by rotating it counterclockwise.

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Image 1/3: You can do this step anywhere along the circumference of the wheel. Image 2/3: With the tip of the lever inserted between the rim and the tire, rotate the lever 90° counterclockwise and fix the lever to the metal spokes using the arrow shaped slot located on the top of the lever. Image 3/3: With the tip of the lever inserted between the rim and the tire, rotate the lever 90° counterclockwise and fix the lever to the metal spokes using the arrow shaped slot located on the top of the lever.
  • Hold the tire lever firmly in your hands and look for the boundary between the tire and the wheel rim. Apply great force to the lever until you pry the rim and the tire apart.

  • You can do this step anywhere along the circumference of the wheel.

  • With the tip of the lever inserted between the rim and the tire, rotate the lever 90° counterclockwise and fix the lever to the metal spokes using the arrow shaped slot located on the top of the lever.

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Image 1/2: Move the lever along the circumference of the rim to pry the tire apart. Image 2/2: You may attach as many tire levers on the spokes as you feel necessary to make this step easier.
  • Insert an extra tire lever between the tire and the rim.

  • Move the lever along the circumference of the rim to pry the tire apart.

  • You may attach as many tire levers on the spokes as you feel necessary to make this step easier.

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Image 1/3: Remove the rest of the tire and the tube from the rim. Image 2/3: Remove the rest of the tire and the tube from the rim. Image 3/3: Remove the rest of the tire and the tube from the rim.
  • Start removing the tire by unplugging the valve from the rim slot.

  • Remove the rest of the tire and the tube from the rim.

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Image 1/3: Place the tire back on the rim by inserting the valve into its slot first. Image 2/3: Use your thumb to press the tire's side until its entire circumference is placed inside the rim. Image 3/3: Use your thumb to press the tire's side until its entire circumference is placed inside the rim.
  • Insert the new tube inside the tire.

  • Place the tire back on the rim by inserting the valve into its slot first.

  • Use your thumb to press the tire's side until its entire circumference is placed inside the rim.

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Image 1/1:
  • Inflate the tire.

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Finish Line

One other person completed this guide.

Jose Pedro Kitajima Borges

Member since: 04/21/2015

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2 Guides authored

Team

Cal Poly, Team 15-2, Amido Spring 2015 Member of Cal Poly, Team 15-2, Amido Spring 2015

CPSU-AMIDO-S15S15G2

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8 Guides authored

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