Item Name: rubber tire
Color of wheel: red silver , blue purple , red silver , silver , blue( with large friction)
the tire tread might be different.
With sponge liner
Upgrade rubber tire,with large friction
Due to the different production batch,the tire tread might be different.
Testing data shows that the friction and anti-vibration are almost the same (error < one thousandth)
Please be aware of this information before placing an order.
1 x rubber tire