Difficulty

Easy

Steps

15

Time Required

                          6 minutes

Sections

3

  • Front Wheel
  • 5 steps
  • Disassembling Trek 820 Tire Removal from Wheel
  • 5 steps
  • Spokes
  • 5 steps

Flags

5

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What you need

Step 1

              Front Wheel
  • Facing your bike, straddle your front wheel between your knees.
  • Locate the front brake at the top of the fork. It will more than likely look like the picture on your left.
  • Since the tire is normally wider than the space between the brake pads, you must first release the tension in the brake wire. To do this, run your right hand under both brake calipers and push them inwards towards one another.

Facing your bike, straddle your front wheel between your knees.

Locate the front brake at the top of the fork. It will more than likely look like the picture on your left.

Since the tire is normally wider than the space between the brake pads, you must first release the tension in the brake wire. To do this, run your right hand under both brake calipers and push them inwards towards one another.

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Step 2

  • With the brake wire sufficiently loosened, unhook the metal tube that contains the brake wire (called the noodle) from the brake wire holder using your left hand.
  • The brake will now be open wide enough to permit removal of the wheel.

With the brake wire sufficiently loosened, unhook the metal tube that contains the brake wire (called the noodle) from the brake wire holder using your left hand.

The brake will now be open wide enough to permit removal of the wheel.

Step 3

  • Find the quick release lever on the outside of the bike’s fork on the right hand side. Turn the level counter clockwise loosening the lever until it comes off.

Find the quick release lever on the outside of the bike’s fork on the right hand side. Turn the level counter clockwise loosening the lever until it comes off.

Step 4

  • After the quick release lever is removed, the wheel can be separated from the front fork.

After the quick release lever is removed, the wheel can be separated from the front fork.

Step 5

  • In reassembling the wheel to the bike, perform the steps in reverse order.
  • With the axle all the way into the fork slots, tighten the quick release lever into the fork end securely. It should take a modest amount of force applied to tighten the axle to the fork.
  • Squeeze the brake calipers together and return the cable noodle back into the holder.
  • Make sure you go back, and check to make sure its snug so that the wheel has no way of coming back off.

In reassembling the wheel to the bike, perform the steps in reverse order.

With the axle all the way into the fork slots, tighten the quick release lever into the fork end securely. It should take a modest amount of force applied to tighten the axle to the fork.

Squeeze the brake calipers together and return the cable noodle back into the holder.

Make sure you go back, and check to make sure its snug so that the wheel has no way of coming back off.

Step 6

              Disassembling Trek 820 Tire Removal from Wheel
  • Locate the valve stem and remove the valve stem cap if one is present.

Locate the valve stem and remove the valve stem cap if one is present.

Step 7

  • Begin releasing tire air pressure by pressing down on the small rod in the center of the valve stem. A hissing sound will indicated that air is leaving the tire.
  • Continue to release air until the tire becomes soft and flexible. The hissing sound should become quiet or stop altogether.

Begin releasing tire air pressure by pressing down on the small rod in the center of the valve stem. A hissing sound will indicated that air is leaving the tire.

Continue to release air until the tire becomes soft and flexible. The hissing sound should become quiet or stop altogether.

Step 8

  • Insert the flathead screwdriver, or another sturdy, long object, between the edge of the tire and the wheel rim.
  • Be careful not to damage the inner tube when inserting and moving the screwdriver or other tool. The inner tube is fragile and may be pinched between the wheel rim and tool.
  • Work the edge of the tire out of the wheel rim using a screwdriver, pulling the edge of the tire away from the center of the wheel and out of the rim.

Insert the flathead screwdriver, or another sturdy, long object, between the edge of the tire and the wheel rim.

Be careful not to damage the inner tube when inserting and moving the screwdriver or other tool. The inner tube is fragile and may be pinched between the wheel rim and tool.

Work the edge of the tire out of the wheel rim using a screwdriver, pulling the edge of the tire away from the center of the wheel and out of the rim.

Step 9

  • Continue around the wheel rim until the whole tire is free from the rim. Now you may separate the tire from the wheel.
  • Be careful not to damage the valve stem as you pull the tire and inner tube off of the wheel rim together.

Continue around the wheel rim until the whole tire is free from the rim. Now you may separate the tire from the wheel.

Be careful not to damage the valve stem as you pull the tire and inner tube off of the wheel rim together.

Step 10

  • Remove the inner tube from the tire by simply pulling it from the tire carcass.

Remove the inner tube from the tire by simply pulling it from the tire carcass.

Step 11

              Spokes
  • Make sure you have removed the tires as shown in the prerequisite guides.
  • Slowly peel back the layer of rubber that covers the 32 screws on the tire .

Make sure you have removed the tires as shown in the prerequisite guides.

Slowly peel back the layer of rubber that covers the 32 screws on the tire .

Step 12

  • You will need a flathead screwdriver
  • You will need to alternate between steps #2 and #3 because the spokes have to be removed one at a time.
  • Remove the screw using the flathead.
  • All screws will be the same size.
  • Only remove the screws of the spokes you are replacing.

You will need a flathead screwdriver

You will need to alternate between steps #2 and #3 because the spokes have to be removed one at a time.

Remove the screw using the flathead.

All screws will be the same size.

Only remove the screws of the spokes you are replacing.

Step 13

  • Once a screw is removed gently remove the spoke from the rim of the tire if it did not fall out.
  • Maneuver the spoke so that it is perpendicular then slide the spoke out.

Once a screw is removed gently remove the spoke from the rim of the tire if it did not fall out.

Maneuver the spoke so that it is perpendicular then slide the spoke out.

Step 14

  • Insert the new spoke into the missing hole.
  • If you are replacing multiple spoke , you will need to alternate between steps #4, and #5 . The spokes must be replaced one at a time.

Insert the new spoke into the missing hole.

If you are replacing multiple spoke , you will need to alternate between steps #4, and #5 . The spokes must be replaced one at a time.

Step 15

  • Use the flat head screw driver to insert a screw to stop the spoke from falling out.

Use the flat head screw driver to insert a screw to stop the spoke from falling out.

To reassemble your wheel after following steps #4, and #5 simply reattach the rubber tire.

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                    Kaveh Karimiyanha

Member since: 09/24/2012

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                       Cal Poly, Team 1-1, Propen Fall 2012                        

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