Skip to content
Mobility Scooters

Over 30 years experience in parts and accessories for electric mobility scooters and wheelchairs.

Need help finding a part?

We can help, and we can order parts not shown on our website.

Friendly looking mobility scooter spares expert

Mobility Scooter Adjuster Knobs

Mobility Scooter Adjuster Knob

We list a range of mobility scooter adjuster knobs for mobility scooters and chairs from a variety of manufacturers. Whether you need a replacement armrest adjuster knob, tiller adjuster or seat positioner, these small parts are an essential component of your scooter. Finding the right replacement part for your electric wheelchair or mobility scooter can be tricky, so hand over to the experts! We’ll source the parts you need and ensure you’re back on the move as quickly and efficiently as possible.

If it is not listed or  you cannot find the specific part you are looking for below in this list then please use the find a part by brand search.

Finding the parts you need is as easy as 1,2,3.

1. Choose your scooter brand.  2. Choose your scooter model.  3. See the parts for your scooter.

Mobility Scooter Adjuster Knobs

When you own a mobility scooter, you want to know you’re in complete control of your safety and comfort levels. That’s where mobility scooter adjuster knobs come in. These adjusters can help you change the handlebar height, seat placement, armrest, and speed dials so that your mobility scooter suits your exact preferences. 

At Discount Scooters, we have a variety of adjuster knobs, all of which suit different purposes, so you can amend a scooter so that it works for you.

At Discount Scooters, we have many adjustment knob types to suit a variety of scooter models, so check out our collection today to take back control of your mobility scooter.

Mobility Scooter Adjuster Knobs FAQs

How Do Adjuster Knobs Work?

Mobility scooter adjuster knobs work by tightening onto a clamping mechanism or threaded bolt. When loosened, you can adjust or reposition the part. You can then tighten the knock, which locks a moving part into place.

There are several different types of adjust knobs available, including: 

  • Tiller adjustment knobs: These allow you to angle the handlebars either closer or further from your seat, so you can stretch out your arms at the best length for you.
  • Seat adjuster knobs: These knobs are placed under or behind the seat and allow you to slide the seat backwards and forwards.
  • Armrest tightening knobs: These allow you to adjust the width and angle of the armrests, which helps with sitting posture.
  • Folding mechanism knobs: These secure the main hinge points to ensure the scooter stays rigid.
  • Handlebar locking knobs: You can use these knobs to raise or lower the controls to match the arm height and eye level.

Why Are Adjuster Knobs Important?

One of the biggest reasons mobility scooter adjuster knobs are so important is that they boost user comfort. With adjuster knobs, you can adjust to account for your own flexibility, mobility levels, arm reach, and posture requirements. 

They are also important for stability, safety, and accessibility. For example, a well-adjusted seat makes it easier to get on and off the scooter. Plus, the right tiller adjustment knob is essential for preventing wobbling or unexpected control movement.

What are Common Adjuster Knob Problems?

Several things can go wrong with adjuster knobs, meaning a replacement is required. 

  • Overtightening: Excessive force can damage the knob and causefailure. Users may tighten the knobs too much when stopping movement or securing loosecomponents, but this will only cause more damage, such ascracking and stripping internal threads.
  • General wear: Adjustment knobs can simply wear down over time. This will lead to gradual loosening and reduced clamping force.
  • Vibration and road shock: Mobility scooters that travel over pavements, kerbs, and uneven surfaces are susceptible to vibration and road shock, which can mean the knobs come loose.
  • Corrosion and dirt: Outdoor exposure may lead to stiffness, corrosion, and cracking.

How do I Replace an Adjuster Knob?

If you need to replace an adjuster knob, here’s how it is done. 

  1. Identify knob type – including the scooter make, model, knob location, thread size, and mounting type.
  2. Remove the damaged knob. Most of them can be unscrewed from a threaded shaft or removed with a retaining bolt.
  3. Inspect for stripped threads, brackets, and damaged moving parts.
  4. Install the replacement knob, being sure to align threads carefully, avoid cross-threading, and tighten gradually.
  5. Test adjustment and stability, ensuring it locks securely and that there is no movement or looseness.