To replace a bicycle inner tube, first deflate the tire and remove the wheel. Unseat the tire by squeezing it inward. Use tire levers if needed to take off the tire completely. Remove the inner tube and inspect both the tire and tube. Position the new tube, fit the tire back onto the rim, then inflate it.
Once the tire is off, remove the punctured inner tube. Check the tire for any sharp objects that may have caused the puncture. Next, insert the new inner tube. Slightly inflate it to give it shape before placing it inside the tire. Carefully position the tire back onto the rim, ensuring the tube is not pinched. Inflate the tire using your pump, checking that it seats correctly.
Finally, reattach the wheel to the bike and ensure everything is secure. With your bike ready to ride, the next step will involve inspecting and maintaining your bike’s tires for long-term performance.
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