Another shout for the Pragmasis chains. Been using a 2m and 1.5m 16mm chains for my Fazer and my wife's CBF. Both pretty hefty, but no hassle to lug around in the bottom of a top box (I wouldn't recommend carrying it around without a top box). No hassles going through back wheel of either bike. The 2m one gives you a bit more flexibility to stretch round awkward stuff, but 90% of time it's a bit excessive length wise TBH. 1.5m is fine in most cases.
Also to note, the Pragmasis Torc ground anchor can snuggly accept both 16mm chains through it.
And can't moan about the Squire padlocks either. I did have one seize up, but Squire were helpful with hints to free it and then replaced it promptly on warranty with no fuss.