PU stands for Polyurethane, which is neither plastic nor rubber, but a synthetic polymer that is quite durable and tear resistant.
D1=18mm
D2=38.1mm/1.5 inches
D3=3mm
H=14mm
PU Wheel with Plastic Hub 1.5" D38.1xH14xd3mm
- Brand: HobbyG
- Product Code: WH150-S
- Availability: In Stock
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$3.60