PU stands for Polyurethane, which is neither plastic nor rubber, but a synthetic polymer that is quite durable and tear resistant.
D1=16mm
D2=31.75mm/1.25 inches
D3=2mm
H=13mm
PU Wheel with Plastic Hub 1.25" D31.75xH13xd2mm
- Brand: HobbyG
- Product Code: WH125-S
- Availability: In Stock
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$3.20