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How to Tighten a Head Set on a Bicycle

Tightening the headset on a bicycle is necessary for safe handling and improved turning abilities. The headset refers to the set of bearings located on the front of the bicycle frame between the top tube and where the forks go through the frame. These bearings allow the fork to turn smoothly. To determine if your headset is loose, simply stand next to the bike and lock the front brake. Roll the bicycle forward and backward. If you hear or feel a clunking noise, the headset is loose and needs to be tightened.

Tightening a Loose Bicycle Headset

  1. Remove the headset cover using the 5mm hex key. This will expose the front fork steering tube which is inserted into the frame.

  2. Loosen the stem clamp bolts using the same hex key. There are usually two and they're located on the rear of the stem. The stem is what connects the handlebar to the forks. These bolts do not need to be removed, just loosened.

  3. Replace the headset cap and tighten until snug. This will pull the steer tube into the stem.

  4. Lock the front brake and rock the bike forward and backward to check the headset's tightness. If it's still making noise, tighten 1/4 of a turn and re-test.

  5. Tighten the stem bolts one at a time.

  6. Check the turning range once every bolt is tightened to make sure the front wheel turns freely.

    Tip

    Make a point of checking the headset for looseness before every ride.

    Note how tight the bolts were before you loosened them. This will give you a good indicator of how tight they need to be when you're done with the adjustment.

    Warning

    Loose headsets can be dangerous. If your headset is still loose after you attempted to tighten it, take it to a qualified bicycle mechanic for repair.

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Things Needed

  • 5mm hex key

About the Author

Jack Kaltmann is a Las Vegas-based writer with more than 25 years of professional experience in corporate communications. He is a published author of several books and feature articles for national publications such as "American Artist" and "Inside Kung-Fu." Kaltmann holds a Bachelor of Arts in English from Miami University and is a retired nationally certified personal trainer.

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