Product description
1. PU rubber wheels Item 4.00-8
2. You can choose the color of PU foam
3. Ball bearing, needle bearing, plain bore for your choice
4. Bearing inner diameter, hub length can be customized upon your request
5. Metal rim ( painted or zinc coated ) or Plastic rim are optional
1. Refuse to loose air, avoid punctured-tires problem.
2. Well carrying capacity.
3. Well wearability.
4. Extra tough and long lasting.
5. Sound decreasing.
6. Lightweight model