How to solve bicycle rim deflection

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The bike rides through thousands of mountains and rivers. It is inevitable that the road will be rugged. The wheels collide with the bumpy road for a long time. The gradually swaying rim will not only affect the riding feeling but also cause an uneven braking feel. Today, teach you how to do it yourself DIY to correct it to avoid the fate of returning the rim to the original factory due to excessive deflection!

Many tools on the market have the function of adjusting the copper head, which can be operated by choosing a coil adjuster (copper head adjuster)

Learn about adjusting the rim

The correction of rim deflection is mainly by adjusting the spoke tension on the left and right sides of the rim to balance it to center the rim.

  ●The direction of adjusting the copper head of the spoke is opposite to that of the lock screw. Counterclockwise is to lock and clockwise to loosen. For example, if the rim yaw position is to the right (the right spoke has greater tension), it depends on whether the spoke at that place is a right spoke or a left spoke. If it is a right spoke, the tension is relaxed clockwise; If it is the left side, tighten it counterclockwise, and at the same time, adjust one spoke (the other spoke) in the opposite direction.

  ●The adjustment range of the copper head is limited to 1/8 to 1/4 turn each time. After the adjustment, turn the rim to check and fine-tune slowly. Do not adjust too much at one time, which may cause serious consequences.

Rim deflection correction!

   This time the main purpose is to simply improve the riding and braking feel. The brake pads of the vehicle are used to make judgments and corrections. For example, turning the vehicle upside down in the demonstration can be more convenient for operation.

1. Adjust the brake stroke knob to make the brake block closer to the rim to facilitate the judgment of the deflection condition.

2. Rotate the wheelset, and find out the deflection part by observing the change of the gap when the rim passes the brake block.

3. Mark the most severely distorted spoke with a mark, use the adjuster to adjust the spoke, as well as one, spoke before and after it (according to the above-mentioned adjustment technique), then repeat steps 2 and 3, repeat the correction to satisfaction status.

After the rim has been rectified, adjust the distance between the brake pads to an appropriate distance, and confirm that the brake is centered, so as to prevent the rim from being distorted due to long-term uneven force.

This time, only simple adjustments are made for the left and right deflection of the rim, but the professional rim correction also includes details such as full circle and diagonal tension, or some wheels use special designs with non-square copper heads. If the rider needs it, It is recommended to ask a professional technician or the original factory to assist in the correction will be more accurate!

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