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9x3.50-4 Foam Filled Wheel Power Chair Parts

9x3.50-4 Foam Filled Wheel Power Chair Parts

Size: 9x3.50-4
Rubber Tire Brand: Cheng Shin.
Rim Material: Aluminum
Material: Rubber and Polyurethane.
Overall Diameter:230mm.
Wheel Width: 90mm
Bead Width: F65mm.
Load Capacity: 60kg.

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Product Details

1. Product Introduction of 9x3.50-4 Foam Filled Wheel Power Chair Parts

Foam filled tires are pneumatic tires filled with urethane foam. 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 60KGS per Wheel.

2. Product Parameter(Specification)of 9x3.50-4 Foam Filled Wheel

2 Wheels' Structure.jpg

Product Name

9x3.50-4 Foam Filled Wheel Power Chair Parts




Bicycle Tire

Rubber Tire Brand

Cheng Shin





Bead Width(mm)


Wheel OD (mm)(B)


Rubber Tire Weight(g)


Wheel Width(mm)(A)


Filler Weight(g)


Hub Length(mm)(E)

Axle Size(mm)



9x3.50-4 Foam Filled Wheel


Polyurethane and Rubber

Model Number:




Black or grey or others


wheelchair parts,mobility scooter parts




carton and polybag

Loading port:


Brand name:



3. Poly Foam Filled Tire Feature And Its 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.

4. Poly Foam Filled Tire’s Production Technology: SPIN-Cast Molding

The process of spin-cast molding is used to insert foam fill into tires. This process helps create a dense, firm tread area while keeping the sidewall area flexible. The distribution of the foam fill is even and accurate ensuring excellent shock absorption. This helps provide the user with a smooth ride, every time.

5 PU Filled Solid Rubber Tires.JPG


5. Comparision With Other Tires


6. Certificates

ROHS 2.0, REACH, PAHS, EN14372:2004, TUVRheinland

Solid Tire Test Report

7. Our Company

Xiamen Aleader Tire & Wheel Technology Co., Ltd. was established in 2010, located in the beautiful coastal city of Xiamen, Fujian province.We are a professional manufacturer focused on the research and production of high performance PU tires.The company's main products are PU tires and PU foam filled solid tires etc.With the superior performance in abrasion proof, durability, high load capacity and  anti puncture, the PU tires are widely used in high-end market of wheelchairs, bicycles, strollers and engineering vehicles. Having a team with more than 15 years experience in the polyurethane field, we can ensure to provide u the most professional and good quality products and services. All of the products can meet the requirements of ISO7176 standard and have passed thetesting requirements of ROHS and REACH. Some of them can even meet the German GS standards for children's products.Our main markets are the United States, Britain, Germany, Canada, Japan and other countries and regions in the world.

PU Tire Factory

8. FAQ 

Q1.What is the MOQ I can order?
For PU solid tire, MOQ is 500pcs.

For foam filled tire, around 300pcs.

Q2.What is your production delivery time?
20-25 days once we received ur deposit.


Q3. 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.

Q4.I don' have any drawing or pictures available for the customized products, could you design it for me?
Sure, we can make the best suitable design for you as long as we get the details such as
a) dimension b) loading capacity
c) surface treatment etc.

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