There is a US site where you can see weights for all brands and types and sizes they offer. They even offer Avon but I lost the name of the types Morgan uses.

The example shows how heavy tyres are (scroll down and click on Specs)
www.tirerack.com/tires/tires.jsp?tireMake=Bridgestone&tireModel=Potenza+RE050A

Last edited by Heinz; 30/10/13 04:31 AM.
'14 4/4 graphite grey