Vtg Retro 1970s 70s Sims Gyro Skateboard Park Wheels Set of 4 Black Metal

Preowned vintage 1970s-1980s rare and collectible, Sims Gyro, Black, set of 4, Skateboard Roller-skate Wheels. Classic retro old-school skateboarding, roller skating, park-ramp riding gear set-up featuring Metal Hubs and logo. Durometer unknown. On the hard-fast side. Measures 38cm across riding surface, 58cm across side. Used condition, some coning and logo loss, scuffs and dings, otherwise, good condition, see pics. Please compare measurements. No returns. Measurements estimated to best of our abilities. Sold “as is”. Write with questions. 20% restocking charge on returns.