Great build, on a nice bike. I've got the Velcro straps on mine too, for peace of mind.
Thought I would point you to the following thread, as there's some handy things on there for the BBS series:
https://www.pedelecs.co.uk/forum/threads/after-market-bbsxx-crank-drive-gear.32691/page-4
Thought I would point you to the following thread, as there's some handy things on there for the BBS series:
https://www.pedelecs.co.uk/forum/threads/after-market-bbsxx-crank-drive-gear.32691/page-4