Poly Mobility Scooter Wheels 190x54

Poly Mobility Scooter Wheels 190x54

1. Front Wheel and Rear Wheel

2. How to measure the tires

Step 1: Measure the tire's outside diameter

Step 2: Measure the tire's width

Step 3:Measure the hub length from outside bearing to outside bearing

Step 4:Measure the inside diameter of the bore

3. PU Material Quality Control

(1). Purchasing:we purchase the chemical raw materials from the world's famous brands such as DOWS,Basf and Air Products.

(2). Incoming inspection: For every lot of incoming material,we random check its quality by cup foaming.

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