I would go with the plastic unless you’re doing a mountain sled or drag racing only. Non studded for trail. The plastic is very strong. You’ll never have a problem with the durability.I prefer deep snow, hills, ravines. I want to install 10-inch wheels made of high molecular weight polyethylene grade PE9000, as indicated on the manufacturer's label. To me, it's just plastic wheels. I want to understand if this material is suitable for me, or do I need aluminum?
In your picture, if I see them correctly, they are plastic.