Introduction

If you determine that your tire is flat due to a ruptured or damaged inner tube this guide will help you replace the inner tube.

Tools

Flip the bicycle upside down so that the bicycle rests on the seat and handlebars. The bike should be able to stay standing on its own.
  • Flip the bicycle upside down so that the bicycle rests on the seat and handlebars. The bike should be able to stay standing on its own.

Using a 15mm wrech, loosen the axial nut.
  • Using a 15mm wrech, loosen the axial nut.

Pull the chain slack and remove the tire. Pull the chain slack and remove the tire.
  • Pull the chain slack and remove the tire.

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Insert the flat side of the tire lever between the inside edge of the rim and the seal of the tire. Clip the tire lever to the nearest spoke.
  • Insert the flat side of the tire lever between the inside edge of the rim and the seal of the tire.

  • Clip the tire lever to the nearest spoke.

Insert the second tire lever next to first and slowly slide it along the outside edge of the rim until one side of the tire is off the rim. Insert the second tire lever next to first and slowly slide it along the outside edge of the rim until one side of the tire is off the rim.
  • Insert the second tire lever next to first and slowly slide it along the outside edge of the rim until one side of the tire is off the rim.

Re-insert the first tire lever to hook the opposite seam of the tire and repeat steps 3 through 5.
  • Re-insert the first tire lever to hook the opposite seam of the tire and repeat steps 3 through 5.

Remove the cap from the inner tube, and pull the valve stem out of the rim.
  • Remove the cap from the inner tube, and pull the valve stem out of the rim.

Conclusion

To install new inner tube, follow these instructions in reverse order.

One other person completed this guide.

Samantha Rawlins

Member since: 01/21/2014

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3 Guides authored

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Cal Poly, Team 1-40, Maness Winter 2014 Member of Cal Poly, Team 1-40, Maness Winter 2014

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