Aye Andy,
Good to read you are still circulating on 'sticky doughnuts'. Trust family OK and the 'mechanic' is progressing!

I was impressed, ordered Wednesday afternoon, delivered Friday, midday. Tyres for the 'Duke' and 'Morini the Minx'.
The price quoted for your BT090 F 110/70 R17 TL 54H M/C is £74-50 FREE DELIVERY IN UK! For the rear BT090 R Pro 150/60 R17 TL 66H M/C £89-80.

Of course you could go a stage further and try BT003F Racing Street 110/70 ZR17 TL (54W) M/C £95-00 and BT003R Racing Street 150/60 ZR17 TL (66W) M/C £120-10

Round here its a tenner to fit tyres to a loose wheel, or free, if you buy the tyre from the fitter, including a new valve.
Beads on the old Duke tyres seized to the alloy rims. Tenner to remove both tyres, so that I can clean things up.
Bottom end is together and allsorts of other bits and pieces on the go. Re-valving the forks!

I must be mad.

Good health.
My regards, Bill.