FWIW, I moved the mudguard and lights across and took "the backup".

That is actually a new tyre (I have owned it for years but never used it). Ther recommend that you do a few KMs on brare tarmac when you first get these to really embed the studs in. I might as well do that now before the snow and ice come back.

https://cdn.masto.host/velocipederidercom/media_attachments/files/113/543/002/241/977/994/original/ae5bef2bc6636dc8.jpeg