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9 Inch Electric Wheelchair Tyres

9 Inch Electric Wheelchair Tyres

Size: 9x3.50-4
Rubber Tire Brand: Innova.
Material: Rubber and Polyurethane.
Overall Diameter:230mm.
Wheel Width:90mm
Bead Width: F65mm.
Load Capacity: 75kg.

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Product Details

1. Product Introduction of 9 Inch Electric Wheelchair Tyres

The 9 Inch Electric Wheelchair Tyres Is Mainly Used As The Wheels Of Electric Wheelchairs. And Mobility Scooters. Its Tire Consists of Two Parts: Rubber Outer Tube, Microcellular Polyurethane Elastomer Filled or Inserted inside. The Brand Of Rubber Tires mainly is Cheng shin Or Innova. Its Max. Loading Is About 75KGS per Wheel.

1 foam filled tires.jpg


2. Product Parameter(Specification)of 9 Inch Electric Wheelchair Tyres 

2 Solid Rubber Tires.jpg


Electric Wheelchair Tyres 9x3.50-4


Polyurethane and Rubber

Rubber Tire Brand





Black or grey or others


Electric Wheelchair Front and Rear Wheels




carton and polybag

Loading port:


Brand name:


For The Solid Rubber Wheelchair Tyres, our sizes include 200x50, 2.80/2.50-4,3.00-4, 4.10/3.50-4, 4.10/3.50-6, 3.00-8 etc. 4 inch to 16 inch diameter.

3. Solid Rubber Tire’s Advantages:

A. Resistant to cuts and tears making it extremely durable.

B. This material has higher tensile strength allowing it to carry heavier loads.

C. Safety: Foam Filled Tire, with its solid structure, keeping users away from the worries of flat tire,air leakage,punctured easily and frequent maintenance, provides users a safe and convenient experience.

D. Since polyurethane is produced chemically, a number of variations are possible. The density and physical characteristics of the material can be modified according to the end use.


4. Poly Foam Filled Tire’s Application

Poly Foam Filled Tire, simply called FF Tire, consists of two parts: rubber outer tube, microcellular polyurethane elastomer filled or inserted inside. With the superior performance in the aspects of inflation free, anti- puncture, flat free, good cushioning maintenance free and high security etc., it is widely used in the field of Wheelchairs, Mobility Scooters, Strollers, Robots, Tool carts and Sports Equipment. While satisfying customer’s esthetic-demand for   traditional rubber tires, it also conquers the defects of air-filled tires: the potential risks of easily punctured, gas leakage, flat tire and frequent maintenance.

3 Electric Wheelchair Tire_副本.jpg

5. Our Factory’s Advantages:

A. As a direct factory, we can provide short time delivery.

B. Having a research team with around 15 year’s experience, we can custom the wheels for u.

C. We can provide one year’s warranty for all of our wheels and tires.

D. Help client to solve the install question

E. All of our tires and wheels can pass the ROHS and REACH.


6. Electric Wheelchair Tyre’s Tests

In our factory,we perform the following tests to ensure that all our products operate at good performance during their long service life:

1. Rolling Drum Test

2. Tension/Compression Force Analysis

3. Side Impact

4. Drop Testing

5. Static Load

6. Circle Track

7. Coefficient of Friction

8. Torque

9. Noise Test

10. Bump Test


4 wheelchair wheels's Test.JPG

7. Wheelchair Tyre’s Certificates

All of the products can meet the requirements of ISO7176 standard and have passed the testing requirements of ROHS and REACH. Some of them can even meet the German GS standards for children's products.


8. Our Company

Xiamen Aleader Tire Wheel Technology Co, Ltd is a professional manufacturer focused on the research and production of high-performance solid tires. Established in 2010, we are located in the beautiful coastal city of Xiamen in Fujian Province, China.

Our company manufactures high-quality PU tires and PU foam-filled solid tires for clients around the world. With a focus on superior performance, high load capacity, and anti-abrasion, anti-puncture durability, our solid tires are widely used in high-end wheelchairs, bicycles, strollers and engineering vehicles around the world.

Our team's more than 15 years of experience in the polyurethane field helps ensure that all our clients receive the most professional service and the most superior quality products available. All of our products have been rigorously tested for safety and quality and have passed all of the requirements necessary to meet the international ISO7176 standard as well as the testing requirements of ROHS 2.0 and REACH. In addition to that, we have passed the rigorous testing required to receive the German GS certification mark for all our tires manufactured for use in childrens products. Our main markets are the United States, Britain, Germany, Canada, and Japan, as we continue to expand to other countries and regions around the world.

9. FAQ 

Q1. Are you manufacturer or trading company?
A: we have our own factory and we export products all over the world.
Q2.What is the MOQ I can order?
For PU solid tire, MOQ is 1000pcs.

For foam filled tire, around 500pcs.
Q3.What is your production delivery time?
20-25 days once we received ur deposit. 

Q4. What is your payment method?
T/T, L/C,Western Union, paypal.

Q5. I like your design, but could not find the right model from the products catalog, is custom size available?
Yes, customized are well accepted.

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