Top 36 24X138 Wheelchair Tires The 59 Detailed Answer

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What size are wheelchair tires?

Wheel sizes in regard to wheelchair sizes

Wheelchair wheels come in various standardised wheelchair sizes: A standard manual adult wheelchair drive wheel size is 24” (~61cm); A standard power wheelchair drive wheel size is 18” (~45,7cm). Caster wheels start from 3” (~7,6cm).

Can you change wheelchair tire?

Wheelchairs, just like cars, have tires” that need to be replaced in order to maintain optimum efficiency of your wheelchair performance. Replacing the wheelchair wheels may sound like a daunting task, but in actuality, replacing wheelchair wheels is fairly simple.

Can you put bike tires on a wheelchair?

Fortunately, fatter, mountain-bike style tires will fit on a standard width wheelchair wheel, so you shouldn’t need to buy a dedicated set of rims. Most people who’ve been in a chair for any length of time have at least one set of old wheels sitting in a garage or closet.

Are all wheelchair wheels the same size?

Typical rear wheel sizes for a manual wheelchair will range from 20”-26” in diameter, 24” being the most common. You should consider both accessibility and propulsion efficiency when selecting the appropriate size.

Are Bigger wheels better on a wheelchair?

Having larger rear wheels and smaller front wheels allows a more comfortable ride over uneven ground than other wheelchairs do. One aspect of its working is that it will require a great deal of upper body strength.

How much air do you put in a wheelchair tire?

Air filled (or pneumatic) tyres offer a more comfortable ride, with tyre pressures adjusted for the user. Many wheelchair users find that higher pressures (around 100 to 145 psi, 6.8 to 10 bar) give a lighter, easier ride whilst allowing for some bumps.

What are the small wheels on the back of a wheelchair for?

Chairs with smaller wheels are usually called “Attendant Propelled”, this means that someone has to push you from the rear end of the chair in order to propel the chair. The smaller wheels allow the caregiver to maneuver the Wheelchair easier than it would be with a self-propelled Wheelchair.

How wide are wheelchair wheels?

Most wheelchairs measure 24 to 27 inches wide from wheel to wheel.

How wide is a wheelchair from wheel to wheel?

The plan view of a person using a wheelchair shows the following: width of the wheelchair measured to the outside of the rear wheels is 26 inches (660 mm). Length of the wheelchair is 42 inches (1065 mm) measured from the back of the rear wheels to the front of the footrests.

Why do wheelchairs have big wheels?

The biggest difference is that standard wheelchairs are designed with large wheels so that you can propel yourself, while transport wheelchairs have small wheels and are meant to be pushed from behind by a second person.

How are mobility scooter tyres measured?

If an “x” separates the 1st set of numbers, the 1st number is the outside diameter on all scooter tyres and the 2nd number is the overall width. If a third number is used, that number represents the inside tyre diameter, or the outside diameter of the rim.


Wheelchair Tip 8: Changing Tires
Wheelchair Tip 8: Changing Tires


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3 Tips for Choosing Better Wheelchair Wheels – Custom Engineered Wheels Inc. (CEW)

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1 Wheelchair wheels components and considerations

2 Wheel sizes in regard to wheelchair sizes

3 What about tires

Conclusion

3 Tips for Choosing Better Wheelchair Wheels - Custom Engineered Wheels Inc. (CEW)
3 Tips for Choosing Better Wheelchair Wheels – Custom Engineered Wheels Inc. (CEW)

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How to replace your wheelchair wheels

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Do I need to change the front casters on my manual wheelchair

How do I replace the front caster wheels on my manual wheelchair

How do you remove old wheelchair casters

How do you install new wheelchair casters

Do I need to replace the rear-wheel drive wheels from my wheelchair

When might you need to replace the rear-drive wheels of a wheelchair

How to replace your rear wheel drive wheels on your wheelchair

How do you remove the old rear wheel from your wheelchair

How do you fit your new rear wheels

How to replace your wheelchair wheels
How to replace your wheelchair wheels

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How to Measure a Wheelchair to Find the Right Size Scale – YouTube

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How to Measure a Wheelchair to Find the Right Size Scale - YouTube
How to Measure a Wheelchair to Find the Right Size Scale – YouTube

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Modifying for All-Purpose Wheeling – New Mobility

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Modifying for All-Purpose Wheeling

Casters

Tires

Seating Position

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Modifying for All-Purpose Wheeling - New Mobility
Modifying for All-Purpose Wheeling – New Mobility

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24″ x 1 3/8″ (37-540) Wheelchair Tire – Primo Orion | Wheelchair Tires

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24″ x 1 3/8″ (37-540) Wheelchair Tire – Primo Orion | Wheelchair Tires

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Wheelchair Tires | 24″ x 1-3/8″ V-Track Knobby Wheelchair Tires

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Wheelchair Tires | 24″ x 1-3/8″ V-Track Knobby Wheelchair Tires

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24 x 1 3/8 in. (37-540) Primo Orion Pneumatic Wheelchair Tire

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24 x 1 3/8 in. (37-540) Primo Orion Pneumatic Wheelchair Tire
24 x 1 3/8 in. (37-540) Primo Orion Pneumatic Wheelchair Tire

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24×13/8 wheelchair tires

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Kenda 982410007 wheelchair tire k143 24×1 3 8 wire grey Wheelchair Ti

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3 Tips for Choosing Better Wheelchair Wheels

3 Tips for Choosing Better Wheelchair Wheels

When configuring your wheelchair, it’s important to consider, what wheels you need. The choice you make will depend on your primary use, be it indoor or outdoor, plus the terrain and the activity involved. And making the right choice can be crucial.

Someone with a pain condition really doesn’t need a lot of vibration, and other users may value speed as part of their sense of independence. Here’s the information you need to choose wisely:

The smoothness of the ride, speed, maneuverability, and control are all related to the wheelchair wheels, tires and casters. Choosing these components is not a straightforward task. So it’s wise to get an expert, such a therapist or healthcare professional to help you select the combination that meets your lifestyle, performance, maintenance and affordability needs.

1. Wheelchair wheels components and considerations

Manual wheelchairs usually have two sets of wheels:

A pair in front ( called caster or steering wheels );

); And a pair in the back (called drive wheels).

Power wheelchairs may have up to three pairs:

One drive;

Two caster.

Wheelchair wheels are made up of a tire, rim (and hand rim on manual chairs), spokes (or mags), and a hub. The hub is the centre of the wheel, the spokes (or mags) connect the rim to the hub and the rim is where the tire is mounted. Hand rims are used for pushing the wheelchair.

Spoke wheels look like bicycle wheels and are made of metal. They usually have more than thirty spokes.

Mag wheels are made of synthetic materials and usually have less than ten spokes.

Important factors to consider when selecting the appropriate type of wheels for you is their weight, and the environment you will be using them in. Spoke wheels are usually lighter than mag wheels but they require more maintenance. They are less suitable for moist surfaces. Mag wheels are almost maintenance free but they may be affected by extreme temperatures.

2. Wheel sizes in regard to wheelchair sizes

Wheelchair wheels come in various standardised wheelchair sizes:

A standard manual adult wheelchair drive wheel size is 24” (~61cm);

size is 24” (~61cm); A standard power wheelchair drive wheel size is 18” (~45,7cm).

size is 18” (~45,7cm). Caster wheels start from 3” (~7,6cm).

The wheel size affects comfort and required effort to move the wheelchair. Therefore you should select a drive wheel that will allow you to sit comfortably in the chair and at the same time requires a minimum amount of effort to propel it.

Electric wheelchair wheels are smaller and made of a harder material. You can learn more about Invacare electric wheelchairs in this page.

Alignment and truing

The alignment of the wheels is very important. It affects how the wheelchair rides, its stability, the wear on the tires and the effort required to propel it.You need to consider the following three aspects:

Camber is the inward or outward tilting of a wheel in its vertical plane. It is used to make propelling the wheelchair easier. It mostly applies to people who are self-propelling, and provides better lateral stability;

A critical alignment issue is toe-in and toe-out (the off-parallel relationship between the two rear wheels). You should avoid these misalignments, as they will dramatically increase rolling resistance and the wear on the tyres ;

(the off-parallel relationship between the two rear wheels). You should avoid these misalignments, as they will and the ; Truing (aligning) a wheel is required when a wheel wobbles when spinning on its axis. Mag wheels are trued upon fabrication and remain true unless they are exposed to extreme conditions. Spoke wheels are more vulnerable because various conditions get the spokes distorted. Such problems have to be repaired by a qualified wheel-repair technician.

3. What about tires?

Wheelchair tires can be pneumatic (air filled), solid and flat free (foam, urethane or rubber filled). Depending on the desired terrain use, they may be knobbly or smooth. As a rule of thumb, you need to know that tires affect how easily the wheelchair will roll over specific surfaces. The harder the tire, the easier it will be to propel the wheelchair. The softer the tire, the harder it will be to propel it. Here are your choices:

Pneumatic tires will go flat if punctured and will go soft even without any damage but provide soft rides;

Solid tires are almost maintenance free and they are unlikely to wear out in the life of the wheelchair, but you’ll be in for bumpier rides. To learn how to fit a solid wheelchair tyre, see the video below;

Flat free tires are pneumatic tires that are filled with a semi-solid material. They are not subject to flat tires and give a softer ride than a solid tire.

How to Fit a Wheelchair Tyres:

Once you’ve bought some new tyres, you’ll need to get them fitted. If you can do it yourself, you’ll save yourself a bit of time, and gain the satisfaction of being able to maintain your wheelchair yourself.

Here’s a video guide to fitting a solid wheelchair wheel:

Conclusion

There are pros and cons to each type of wheelchair wheel. An average user will probably not notice these differences, but a very active user will. You may need to consider having more than one type depending on the use. Wheelchair sizes will also be an important factor in the choice. You may find this resource helpful. Or you may find that you need high performance wheels which are not meant for the average wheelchair user. The sky’s your limit, and the cost of course!

How to replace your wheelchair wheels

Wheelchairs, just like cars, have tires” that need to be replaced in order to maintain optimum efficiency of your wheelchair performance. Replacing the wheelchair wheels may sound like a daunting task, but in actuality, replacing wheelchair wheels is fairly simple.

Below you will find a series of ‘how to’ guides for replacing various wheels from your wheelchair. These step-by-step instructions are designed to give you confidence and insight needed, to tackle a wheel change on your own. Please bear in mind though, if you’re struggling, it’s better to consult a professional.

Do I need to change the front casters on my manual wheelchair?

You do not need to change the caster if: The tire is flat or worn. Instead, you may just need to change the tire rather than the whole caster. The caster is making a screeching noise but everything looks good, you may need to change the caster bearings only. Your chair is not rolling straight, your caster forks may be bent, rather than a bad caster, causing a mis-alignment during mobility.

You need to replace the caster if: The caster tire is worn , The caster wobbles when spun freely , The caster does not spin freely when in the chair during wheelchair propulsion.*

* There may just be a build up of dirt and hair which is preventing your casters from spinning freely. Check first to see if removing this dirt and hair alleviates the problem.

How do I replace the front caster wheels on my manual wheelchair?

It is always recommended buying official parts because there are a lot of options available for purchase, so you need to make sure you order the correct caster for your chair. Beware of off-market brands, official parts are recommended. See: ‘Wheelchair Casters: Types, Their Importance, and How to Choose the Right Pair’ for more information. Once you’ve found the correct brand of caster, you need to also examine the following:

Look at the type of caster (two piece rim with tire versus one piece rim with tire versus one piece total).

Look at the material of the caster (rubber, urethane, a pneumatic tire with inner tube, foam filled…)

Pick the correct size of caster, paying attention to the size of your hub width, overall caster height, bearing inside diameter, and tire width.

How do you remove old wheelchair casters?

In order to remove the old casters, you will need to do the following:

Find and use a properly fitting wrench and socket (or two wrenches), one on either set of the caster in order to remove the old caster.

Loosen the bolt, remember “righty tighty, lefty loosey.”

Remove the bolt, washer, and caster from the wheelchair. Put them somewhere safe so that you don’t lose them.

How do you install new wheelchair casters?

When you’re ready to replace your wheelchair casters and fit them back onto the chair, then you are going to want to follow these simple steps:

Put the bolt through the fork.

Install a washer.

Align the new caster wheel in between the wheelchair forks and put the bolt through the caster.

Install a washer.

Push the bolt through the other fork.

Add the nut and tighten.

Do I need to replace the rear-wheel drive wheels from my wheelchair?

Much like with the caster wheels beforehand, there are a number of scenarios where changing the wheel might not be entirely necessary. These examples include:

If the tire is flat or worn, you may just need to change the tire rather than the whole wheel.

If the wheel or hub is making a screeching noise but everything looks good, you may need to change the hub or bearings.

If your chair is not rolling straight, your wheel spokes may be bent, causing a mis-alignment during mobility.

When might you need to replace the rear-drive wheels of a wheelchair?

Sometimes there’s no option but to change the wheels on your wheelchair. In situations such as the following, those changes may be necessary:

the wheel tire is worn,

a spoke is loose or damaged,

the wheel wobbles when spun freely,

or does not spin freely when in the chair during wheelchair propulsion.

How to replace your rear wheel drive wheels on your wheelchair

As with the caster wheels, there are a number of considerations to bear in mind when seeking to replace the rear wheels of your wheelchair. These things include the following:

Again, it is always recommended buying official parts because there are a lot of options available for purchase, so you need to make sure you order the correct wheel for your chair. Beware of off-market brands, official parts are recommended.

Look at the type of tire (pneumatic versus rubber versus plastic – solid tires vs flat free tires).

Next, it is recommended to look at the type of wheel from an official manufacturer (spoke versus mag).

Finally, pick the correct size of wheel, paying attention to the size of your hub width, overall wheel height, bearing inside diameter, and tire width.

How do you remove the old rear wheel from your wheelchair?

Most modern day wheelchairs have a ‘quick-release’ function for the rear wheels on the chair. This means that you simply need to press a button in the centre of the wheel, pull, and the wheel should just pop straight off accordingly. The button that you’re pressing is the top of what’s called the Spindle, and is a piece of metal which connects the wheel with the main frame of the chair.

These spindles are interchangeable, and can be replaced if needed. Sometimes, however, your wheelchair may have rear wheels which are attached using nuts and bolts. Much like with the caster wheels, the following instructions apply:

You will need a properly fitting wrench and socket (or two wrenches), one on either set of the wheel in order to remove the old wheel, and a flat-head screwdriver.

Step one is to remove the center hub, usually using a flat-head screwdriver under one part of the hub will allow you to pop it right off.

Then remove the nut and slide out the bolt and remove the old wheel. Remember, Righty Tighty Lefty Loosey!

How do you fit your new rear wheels?

If the wheels are quick-release then it will simply be a case of taking the new wheels, pushing the spindle through the centre of the wheel and then pushing that spindle into the hole which attaches the wheel to the main frame of the wheelchair.

However, if (as in the previous section) you require tools to fit the new wheel, then the following applies. You will need a properly fitting wrench and socket (or two wrenches), one on either set of the wheel.

Put the bolt through the hole where the wheel is positioned and connected to the frame of the chair

Replace the nut in order to screw the wheel back in place.

Replace the wheel hub for protection of the wheel

The hardest part of changing out your wheelchair casters or wheels is choosing the one for you and your chair. Click here for Invacare’s catalog and price list to help with your selection. Remember, wheelchair maintenance is key to ensuring that it stays in the best optimal condition so you can enjoy the best of it!!Please, after replacing a wheel, always make a functional check before use.

Modifying for All-Purpose Wheeling

Sometimes I feel I’m asking a lot from my everyday manual chair. I want my wheelchair to slip between narrow store aisles and public bathroom stalls as well as push over grassy fields and dirt trails. I want it to be fast enough to take my dog for a run and not be marooned on the sidewalk — feeling the shame of the unprepared owner — when she decides to pop a squat.

There are occasions when having a dedicated off-road chair would be nice, but for everyday use I want to be able to roll off the pavement without having to think about it. Thankfully, with a few modifications, an everyday chair can be versatile enough for the city and the trail.

Casters

Front casters are an important component of rolling over soft ground. Small, narrow casters that come standard on many models of manual wheelchairs are prone to get caught up on small rocks, roots and other protuberances and send you sprawling to the dirt. Changing your front casters is an easy fix to make your everyday chair better equipped for off-road wheeling, but there are a few things you need to consider.

opens in a new window First is caster diameter. The bigger the front caster, the more easily it rolls over rough ground and avoids digging into soft surfaces. But putting bigger front casters on your wheelchair will raise your front end, giving the chair more dump. This isn’t necessarily a bad thing for off-road wheeling, as having more dump can give you a more stable base to push from. But anytime you change your seating position, be careful to watch out for skin issues, as sometimes just a small change can lead to big problems.

Also, if you have any camber in your wheels, changing the front-to-rear height ratio will affect your toe in/toe out. This can make your wheels scrub and roll less efficiently. Chairs with one or two degrees of camber won’t be affected noticeably by putting casters that are bigger by an inch on the front, but the more camber you have, the more effect you’ll feel. You can remedy this by either moving your rear seat height up to match bigger wheels and/or tires, or switching to a camber bar or inserts that have zero degrees of camber.

Those fixes beget their own considerations, so if you don’t feel like messing with all that, an easy upgrade is to simply get wider casters that are the same diameters as the ones you currently run. You can get a pair of forks and wide casters from TiLite, FrogLegs and Box Wheelchairs, among others, that start around $200, depending on caster diameter. Even if you don’t increase the diameter, you’ll be amazed at how much better a wide caster rolls over the rough stuff.

.

Another option is buying a Freewheel 12-inch front wheel attachment, which many wheelers swear by. At a cost of $600 and up depending on style, I think it’s a fine product and have one myself. But my everyday chair setup is functional enough in most off-road environments that I only use the Freewheel if I want to do some serious trekking, like pushing significant distances on surfaces such as gravel or soft dirt.

Tires

If you spend a lot of time rolling off-road, a set of rear wheels with knobby tires are a must. Fortunately, fatter, mountain-bike style tires will fit on a standard width wheelchair wheel, so you shouldn’t need to buy a dedicated set of rims. Most people who’ve been in a chair for any length of time have at least one set of old wheels sitting in a garage or closet. Knobby tires are readily available for standard-size wheelchair wheels of 24, 25 and 26 inches. In my experience, bike shops have better prices and variety than wheelchair specific stores — a basic MTB tire can run you anywhere from $20-40 and up per tire. But be careful with sizing, as 25-inch wheelchair rims take 26-inch mountain bike tires. To avoid confusion, give your shop bike-industry metric sizes — 540mm, 559mm and 590mm, respectively.

Another thing to consider is axle length. Because knobby tires are wider than typical wheelchair tires, they can rub on sideguards or clothing if you have tight clearances between your chair and tires. To solve this, you can use axles that are set slightly longer and use wheel bearings as spacers to keep the knobby tires set wide enough to avoid rubbing. The length of wheelchair axles can be easily adjusted with two adjustable wrenches. If your current axles are set as long as they’ll go, you’ll have to buy longer ones (available through a variety of adaptive equipment retailers).

Knobby tires have a larger outer diameter than regular tires, so if you want to keep your rear seat height the same, you’ll need to mount them on smaller diameter rims than you typically use.

If you want to be super minimalist and have one set of wheels/tires that will function both on pavement and off road, Schwalbe sells its classic Marathon touring tires in a variety of widths. A wider touring tire will provide a cushier off-road ride with some tread for grip, but it will still roll smoothly and fairly efficiently on pavement. Something like a 32-599 — the 32 refers to metric-size tire width — would function well as an all-purpose tire if you use 25-inch wheels.

Seating Position

Center of gravity is a tricky beast — too much and it’s damn easy to flip over backwards, but too little and you’re putting more weight on your front end, making it harder to wheelie and easier for your casters to dig into rough ground. Over my 17 years of being in a wheelchair, I’ve found that I’m able to handle more tippiness than I, or my therapists, ever would have thought. Moving my center of gravity farther back puts me in position to use more wheel when I push, and it also makes my front casters float over small obstacles much more easily. Sidewalk cracks, roots, rocks and gravel — everything is a little easier to roll over when you have more weight on your rear wheels and not on your tiny front casters. A number of manual wheelchairs, like the TiLite TR I use, have an adjustable center of gravity. It can be worth playing with your CG to find the right balance point, something that is both safe and functional for your pushing purposes.

All of these hacks will make a difference on their own. When combined, they should give you the option to transition from pavement to dirt with little, if any, forethought. If you have any questions or comments, please email me at opens in a new [email protected] and we can continue the conversation online.

So you have finished reading the 24×13/8 wheelchair tires topic article, if you find this article useful, please share it. Thank you very much. See more: tubeless wheelchair tires, solid wheelchair tires 24×1 3/8, primo orion wheelchair tires, pneumatic wheelchair tires, continental wheelchair tires, 24″ x 1 3/8″ solid, no flat tire, wheelchair basketball tires, primo v-trak wheelchair tire

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