3.00-4 rubble wheel
1.high quality low price
2.iso9001-2008 certification
3.used at pushing cart,wheel barrow ,hand trolley

 This kind of plastic rim  using very well,and with competitive price advantage ,you will make the best choice.

 1.high quality low price
2.iso9001-2008 certification

3.used at pushing cart,wheel barrow ,hand trolley 

4bore diameter:16.19,21 or as your demanding

5needel bearing ball bearing or bushing