søren krabbe
Member
if you make the bicycle inner tube as long as I show with the red line you are in the right spot. As far as I know shrink tubes loose its vibration damping properties when it shrinks and gets harder. In the first place its already harder than the natural rubber in inner tube, and it gets even harder when shrunk. All I can conclude is that the inner tube works great - even without the top profile - and is much easier to get a hold of than original PEB-102 rubber isolators 
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