Originally Posted by pdeter
You may be right but my spare tire was mounted there and I am sure it weighs as much as two bikes. I will double check with the dealer to be safe.
too many people use the spare tire as an example.
problem is that the physics are way different between the spare tire mount vs. the bike rack mount.
the spare tire's weight is right up against the back of the trailer, where as the bikes are held out and away from the trailer.
the bouncing causes the the bikes' weight to pull back and down on the bumper.
think of it like bouncing on the end of a diving board.
eventually the physics will cause the bumper to flex and weaken the welds.
that's why so many have a receiver welded AND braced to the frame.
of course, this will void the ultra-light frame's warranty. but it's the only safe way of carrying bikes on the back of a ultra-light trailer.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC