[FJRider]

If you want to use a lock and chain the Abloy 362 is the very best lock and the Almax 16mm is the best chain.

https://securitysnobs.com/Abloy-Protec2-PL-362-Shrouded-Hardened-Steel-Padlock.html

Almax Immobiliser Series III (Chain Only) --- Almax Security Chains Ltd

 

[FJRider]

http://www.fz09.org/forum/19-parts-sale-wanted/5543-motorcycle-security-sale.html

Still available ...

 

[FJRider]

Chain your bike to a secure object.