thinking of buying freeskates,, these are cheap n secondhand but i noticed the wheels look more like inline skating ones etc. all the others look like they have a flat quadskate-looking wheel.
Einhell Royal Ersatzteil Auspuff für Benzin-Rasentrimmer MT 26 aus de, 18,46 €
MT 26 - Spareparts / Accessories - Einhell Service