Trek 820 Spokes Replacement
Introduzione
Vai al passo 1This guide covers how to replace a snapped or broken spoke on the front wheel of a Trek 820 Mountain Bike.
All the spokes in a wheel work together to provide structural integrity and ensure alignment. Spokes may malfunction if too large a concentrated force is exerted on the wheel. One way to check for a bent spoke is to spin the wheel, and see if it wobbles in between the brake pads. If you don't replace a bent or broken spoke, adjacent spokes may become damaged as a result of compensating for the broken one. If the wheel falls out of alignment due to a broken spoke, the brakes may also rub on the rim. This adds unnecessary friction which prematurely wears out the brake pads and slows you down. If your rim becomes too wobbly due to broken or loose spokes, there will be more steps required past replacing the spokes. Reference this guide on how to true a wheel.
Caution: If the spoke has snapped, the end of it may become sharp.
Cosa ti serve
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Facing your bike, straddle your front wheel between your knees.
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Locate the front brake at the top of the fork. It will more than likely look like the picture on your left.
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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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In reassembling the wheel to the bike, perform the steps in reverse order.
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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.
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Squeeze the brake calipers together and return the cable noodle back into the holder.
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Make sure you go back, and check to make sure its snug so that the wheel has no way of coming back off.
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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.
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Continue to release air until the tire becomes soft and flexible. The hissing sound should become quiet or stop altogether.
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Slowly peel back the layer of rubber that covers the 32 screws on the wheel.
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To reassemble your wheel after following steps #4, and #5 simply reattach the rubber tire.
To reassemble your wheel after following steps #4, and #5 simply reattach the rubber tire.
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