Introduzione
Biking is the ideal way of travelling for individuals who may not have their drivers license or don't have easy access to a car. The Supercycle Comp Hardtail Mountain Bike 21-Speed, 27.5-in is a beginner mountain bike that can also be used for regular use. After frequent use of a bike, the tires can develop wear and tear and eventually it must be replaced to use again. So the ability to change either a bike tire, tire tube or tire rim is an important skill to have or learn.
Strumenti
-
-
Locate and disengage brake to get access to tire; this model has cantilever brakes.
-
Squeeze the two handles together shown in the first picture and that should allow you to lift up the cable.
-
The actions of squeezing and lifting should be done at the same time, as the cable is stuck in place if the handles aren't squeezed together.
-
-
-
Use a 15mm torque wrench to loosen and remove the bolt and washer located on each side of the wheel.
-
With the bolt and washer removed, lift the bike frame and separate the tire.
-
-
-
Unscrew the valve cap, then deflate the tire by pressing down on the pin with your finger or a lever wedge, if necessary.
-
-
-
Use a second lever wedge around 3 or 4 inches away, and it should now be easy enough to remove one side of the tire off the rim by hand.
-
-
-
Carefully guide the tire valve through the rim and remove the tire tube by pushing it through the tire rim.
-
-
-
From left to right in the picture, nhow that the tire tube, rim and tire have been separated, replace any or all if necessary.
-
-
-
Place the tire back on one side of the rim, making sure there is enough space to add the tire tube back.
-
-
-
Insert the tire tube back into the tire by first aligning the valve with the valve hole in the rim.
-
Push the tire tube valve gently through the hole in the tire rim, then push the rest of the tire tube between the tire and the rim.
-
-
-
Replace the washer, and tighten bolt with the torque wrench to secure the wheel back to the tire frame on both sides.
-
-
-
Reengage the brakes by squeezing the levers back together and placing the cable back into place.
-
Follow the same steps with the back wheel if necessary. The bike is now ready to ride again!