Spacer tube, showing corrosion before cleaning off
Barely a centimetre of stretch in the original reinforced straps ...
but over 3cm of stretch in the modern 'all rubber'
Clear signs of reinforcing in the original (top), none in the current stock
The different markings on old (top) and new
Reinforcing straps ...
... reducing the extra travel with the rubber straps to about 3mm from over 30mm before