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What's the difference between ofo bike sharing 2.0 and 3.0?

Different tires, different appearances and so on.

1 and ofo2.0 use ordinary pneumatic tires, while ofo3.0 uses special solid tires.

2. There is no obvious change in the appearance of 2.ofo2.0, but there are great changes in the appearance of ofo3.0, such as the design of five orange wheels, and the bearing drive replaces the chain drive.