The 3.00-8 (14 x 3 in.) Primo Powertrax foam filled wheelchair tire is the most common electric wheelchair tire size and tread pattern on the drive wheel for Invacare, Pride Mobility, Quickie, and Permobil. The knobby tread design of the Primo Powertrax 3.00-8 tire provides ultimate traction on a variety of surfaces and the foam fill gives peace of mind that the tire will never get a flat or have to fill the tire with air.
The 2.25” Bead Width tire (SKU: DIYF085 & Manufacturer PN TIRSOLI1008 and Quickie 384261) is commonly found on:
The 2.25” Bead w/ Interior Rib tire, or narrow lip, (SKU: DIYF085-1 & Manufacturer PN TIRSOLI1081) is commonly found on:
The 1.8” Bead Width tire (SKU: DIYF084 & Manufacturer PN 1141342 or 1101754) is commonly found on:
Special Note: Some of the older Invacare wheelchairs used a foam filled tire with a lip that rose above the bead of the tire. Invacare no longer uses this style of foam filled tire. These tires can replace them.
The 2.25” Bead Width tire (SKU: DIYF085 & Manufacturer PN 384261) is commonly found on:
The 1.8" Bead Width tire (SKU: DIYF084) is commonly found on:
If the brand or model of your wheelchair is not listed, you will have to measure the bead width of your existing foam filled tire, or the inside bead width of your existing wheelchair rim. Below is a guide to help:

If you have questions about which wheelchair tire to purchase, how to determine the correct wheelchair tire size, or have an installation question, see our Buying Guide for Wheelchair and Scooter Tires.
3.00-8 (14 x 3 in.) Primo Powertrax Foam Filled Wheelchair Tire
14x3 300x8 Foam Filled Mobility Tire
Pr1mo Powertrax 300-8 Tire for Permobile power chair
F084, F084-3, F085, F085-1, F085-2
We accept returns within 30 days of delivery. For more information, check out our full returns policy.
Reasonable price, fast shipping. But it's hard to install.
Make sure you have the proper tools because the foam filled tires needed to be sandwich between the 2 piece rim.
As ordered. Arrived promptly. Good customer service.
Great Customer Service by DIYMobilityParts - I keep coming back just for that. You won't be disappointed.
Everything fits good on my chair good quality tires that will last me lifetime
Fits great and a smooth ride.
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