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May 27, 2023 4 min read

How to Eliminate Stem Wobble on Dualtron Electric Scooters

It's not uncommon for riders to come across stem wobble on Dualtron electric scooters, such as the unsettling side-to-side movement in the handlebar stem. If you're experiencing stem wobble on your scooter, don't worry – it's a problem that can be fixed with some basic maintenance and adjustments

In this tutorial, we will guide you through the step-by-step process of fixing stem wobble on your Dualtron electric scooter, empowering you with the knowledge and skills to ensure optimal performance and safety. From identifying the root causes of stem wobble to implementing practical maintenance techniques, we've got you covered. So, let's get started on this journey towards a stable and worry-free electric scooter riding experience!

Root Causes of Stem Wobbles on Electric Scooters

Stem wobble on electric scooters can come from various factors, including wear and tear, improper assembly, or even manufacturing defects. Identifying the root cause is crucial for effective troubleshooting and finding the right solution. Here are some common culprits behind stem wobbles and how to identify them:

  • Loose Stem Bolts: Loose stem bolts are a frequent cause of wobbling handlebars. To check for this, firmly hold the front wheel between your legs and try to move the handlebars from side to side. If you notice any play or movement, the stem bolts may require tightening.
  • Worn or Damaged Bearings: Bearings play a critical role in the smooth operation of the steering column. Over time, bearings can wear out or become damaged, resulting in stem wobble. To check for this, lift the front of your scooter off the ground and gently turn the handlebars from side to side. If you feel resistance, hear grinding noises, or notice excessive play, it indicates potential bearing issues.
  • Misaligned Forks: Misaligned forks can contribute to stem wobbles, causing instability while riding. To determine if misalignment is the culprit, carefully inspect the front fork. Look for any signs of damage, such as bent or misaligned forks, which can occur from impact or improper handling.
  • Cracked or Damaged Stem: A cracked or damaged stem can compromise the structural integrity of the handlebars, leading to wobbling. Thoroughly inspect the stem for any visible cracks, dents, or signs of damage. Pay attention to areas near welds or joints, as they are susceptible to stress and may develop cracks over time.

Tip: If you spot any cracks or significant damage, it is recommended to replace the stem entirely. At VoroMotors, we understand the importance of hassle-free maintenance and offer reliable repair and servicing options to alleviate any concerns you may have. 

Now, referring to the video tutorial provided above, let's explore the potential scenarios you might encounter and learn how to effectively resolve the issue.

How to Fix Stem Wobble on Dualtron Electric Scooters

In this section, we’ve provided two sets of instructions for improving stability of your stem: to stop light stem wobble and to fix severe stem wobble. 

Keep in mind that this repair is a process of trial and error, and will require you to test the stem’s stability and check for noise to remedy the problem areas. If you have a hydraulic lift table, it is helpful for electric scooter maintenance like this but not required. For both repairs, you can use the following tools. 


  • 3 mm allen key
  • 5 mm allen key
  • 10 mm wrench 
  • WD-40 lubricant 
  • Towel (optional)

Light Stem Wobble with Creaking Sound

Apply WD-40 lubricant inside the stem base to reduce creaking sound

  1. First, position your electric scooter in an upright position. Using a 5 mm allen key and a 10 mm wrench, unscrew the bolts located along the base of the stem. 
  2. With the bolts removed, carefully fold down the stem.
  3. Gently pull the stem out of the neck to disconnect it from the base. Lay it on the deck. 
  4. Use a towel to wipe and clean the folding area.
  5. Apply WD-40 lubricant inside the base of the stem and around the hinge screw on the opposite end. This will help reduce friction and eliminate the creaking sound.
  6. Then, fold back the disconnected stem and reattach it to the neck of the scooter.
  7. Apply forward and backward pressure on the handlebars to check that the wobble and creaking sound are no longer present. 
  8. Finally, replace the previously removed bolts in their respective positions and tighten them securely.

Heavy Stem Wobble (Loose Stem)

Silver hinge bolt located inside the folding mechanism of a Dualtron electric scooter

  1. First, fold the scooter and locate the bolts and clamps surrounding the folding mechanism. Locate the silver hinge bolt inside. 
  2. Using a 3 mm allen key, tighten the hinge bolt. Make small adjustments until it reaches the desired tightness. Be cautious not to overtighten, as it can lead to stem failure at high speeds.
  3. Then, unfold the stem back to an upright position and locate the quick release clamps.
  4. To tighten the clamps, hold the clamp in one hand, and use the other to tighten the two black round knobs on the left side of the clamp by turning clockwise. Alternate tightening the knob between the top and bottom clamp. You want both clamps to be tightened the same amount. When they are as tight as possible, fold the clamps down flush with the stem.
  5. Lastly, apply forward and backward pressure on the handlebars to test the stem’s stability. Further adjust the knobs and tighten them, and/or use WD-40 lubricant to remedy the sound.

Again, it’s important while making these adjustments to stop periodically and check how the stem feels. Rock the scooter's stem back and forth to determine if it still has any looseness and adjust accordingly. If you cannot tighten it or notice signs of wear, you may want to replace your stem, folding mechanism, or connecting components to improve your scooter’s performance.  

Dualtron recommends periodic replacement of scooter parts based on usage. Refer to the following chart for general lifespans of various components:

A chart on general lifespans of Dualtron electric scooter parts

Remember, these are general guidelines. Actual lifespan will vary based on individual usage and riding conditions. 


Stem wobble can be a bothersome problem for e-scooter riders, but by following the steps outlined above, you can effectively address this issue and restore stability to your ride. 

As always, safety should be your top priority. If you're uncertain about any step or lack the necessary tools, it's best to seek assistance from a qualified technician or contact us for guidance. By prioritizing proper electric scooter maintenance and promptly addressing any issues, you can enjoy a stable and smooth ride on your Dualtron electric scooter for many miles to come. Happy scooting!

Kayla Ang
Kayla Ang

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