Hi @terryjohn !

When it comes to locks you have a lot of options. It really all depends on where you need to secure it and if maximum security is needed or if it’s just for a general precaution. In either case I think Kryptonite locks are great. Here are a few options that you might consider. 

Kryptonite Flex Lock 

Kryptonite U-Lock 

Another option would be to use a cable paired with a standard padlock or combination lock. 

Hopefully this helps!

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