Originally Posted by
ajamesc
can see its better than standard but not as good as a proper one as u are just filling the large voids around the rubber one with polly! will flex more than one of the after market ones but fair play less than a standard one

Testing shows otherwise, the "poly" used for this is NOT the same poly used in the after market ones, actually it's NOT poly urethane at all !!!, unlike the after market ones, and it completely encompasses the square section that houses the alloy bolt through section in the centre.
tabetha