Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Chains (12") | Underground (2) | UND 504 | Italy | 1990 | |
| Chains (12") | High Fashion Music | 1102526 | Netherlands | 1990 | |
| Chains (12") | Swanyard Records Ltd | SYDT 02 | UK | 1990 | |
| Chains (CD, Maxi) | Swanyard Records Ltd | CD SYD 02 | UK | 1990 |