sissybars connected to swingarm?
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Joined: Mar 2010
Posts: 77
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From: Savannah GA
That is correct. I have seen here on the forum stock Street Bob fenders developing cracks from vibrations. Not sure if other models are affected. Just something to think about when rear fenders are concerned.
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Tourer
Joined: Oct 2010
Posts: 294
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Was thinking of keeping everything original on the dyna, having sissybar connected to the swingarm but setting up a connection on fender that the sissybar goes thru(eyelit) when the fender moves the eyelit moves but the sissbar doesnt. only problem is if a passenger leans back the sissybar will rub it. probally have it attached to the inside of the fender then bending out?
Seasoned HDF Member
Joined: Sep 2004
Posts: 6,197
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From: (Toronto) Canada
That is one screwed up install. The weld will break since the bar will move when the arm is in motion. Should have been a grommet mount welded on the bar with a bolt going through a hole with bushing on the fender.
Club Member
Joined: Feb 2008
Posts: 11,483
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From: Passaic County, NJ
Why would you want a sissybar moving up and down against your passenger's back? I'd have to think that would just plain out suck for them.
If you had a rigid, that's a different story.
If you had a rigid, that's a different story.
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Joined: Mar 2010
Posts: 77
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From: Savannah GA
Both the sissy bar and the fender are both mounted to the swing arm. Both sissy bar and fender move when the swingarm moves up or down. All three pieces move at the same rate. Having said that, if a passenger pillon is attached to the fender, the passenger will be riding "rigid" while the driver still enjoys the shocks.
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Joined: Mar 2010
Posts: 77
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From: Savannah GA
The sissy bar will not move up and down on the passengers back because the swingarm, fender, and sissy bar are now essentially one piece. As the swingarm moves due to road bumps, the bar, fender, and swingarm move together. And passenger (if they desire to ride along) will "move" rigidly with them.
Ultimate HDF Member
Joined: May 2008
Posts: 6,642
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From: Ogden, UT
Must say, I am at a complete loss here, I doubt that setup could ever last. The pivot points do not move together, so you will always be tearing up the welds. Even though they are both on the swingarm, the distance between would cause them to move differently. Not unlike the front vs rear car on a roller-coaster.
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Advanced
Joined: Mar 2010
Posts: 77
Likes: 0
From: Savannah GA
Must say, I am at a complete loss here, I doubt that setup could ever last. The pivot points do not move together, so you will always be tearing up the welds. Even though they are both on the swingarm, the distance between would cause them to move differently. Not unlike the front vs rear car on a roller-coaster.
Ultimate HDF Member
Joined: May 2008
Posts: 6,642
Likes: 48
From: Ogden, UT
8451hog: After reading this, I went to the bike and looked at how the swingarm moves in relation to the fender/sissy bar and I now understand the concern. I will keep a close watch and may have to come up with something else. I want a "bobbed" rear fender and sissy bar and will continue in my quest if this one doesn't work as planned.
Not really sure how it could be done, but now I have an interest in figuring it out.....