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Old 05-08-2018, 08:07 AM   #1
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mounting bikes on the TT rear bumper

Wondering what have people done in regards to mounting there bikes on their trailer? We are going away for 3 weeks and I really want to bring the bikes. I have a bike rack and looking to purchase a rv bumper hitch to mount it at the back of my rv. What is the rating of the rear bumper? I have my spare tire there and I dont want to overload the bumper. Trailer is a jayco 28bhbe.

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Old 05-08-2018, 08:18 AM   #2
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Your owner's manual probably says "no bike rack". It's not the weight but the cantilevered bouncing that starts twisting the bumper.
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Old 05-08-2018, 08:23 AM   #3
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I have to say from experience and with a friends also, donít use one of the ones that are U-Bolt to the bumper.

There is too much flex in that bumper to hold it securely. Mine ended up punching a hole, the size of a handle grip. . Needless to say the bikes got thrown in the bed of the truck on the way home.

My buddies bumper actually broke a weld to the frame.

If it is something you are going to do a lot, invest in an actual receiver that mounts to the frame, not the bumper. Trust me when I say, it will be cheaper in the long run.
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Old 05-08-2018, 08:28 AM   #4
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Originally Posted by ibra0078 View Post
Wondering what have people done in regards to mounting there bikes on their trailer? We are going away for 3 weeks and I really want to bring the bikes. I have a bike rack and looking to purchase a rv bumper hitch to mount it at the back of my rv. What is the rating of the rear bumper? I have my spare tire there and I dont want to overload the bumper. Trailer is a jayco 28bhbe.

Thanks
Ibra, I believe if you check the specifications limitations on that rear bumper & hitch you will see that it can only support a couple hundred pounds. I would suggest you look into braces from the frame to support the bumper if you are intent on using the rear for hauling the bikes. I lost a TT bumper, sewer hose, spare tire and 4 bikes back in the early 1990's off my 1981 Jayraven TT. I now carry the bikes in the back of my TV, but if I had to transport more than 3, I would look at a front TV hitch or an over the propane tanks style hitch. Search etrailer.com to see what is available for you.

Good Camping
Swampy
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Old 05-08-2018, 08:37 AM   #5
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I was thinking the same that the bumper frame is not strong enough, what about a bike rack over the front hitch or even over the truck bed?
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Old 05-08-2018, 08:42 AM   #6
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Makes you wonder if a OEM spare tire carrier on the rear bumper is a bad thing don't it??
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Old 05-08-2018, 08:48 AM   #7
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Makes you wonder if a OEM spare tire carrier on the rear bumper is a bad thing don't it??
The spare tire doesnít have the torque out beyond the bumper.

If there was a way to minimize the movement and transfer the weight behind the bumper it would help but the bumper just wasnít made for that much twisting force.

I ran a Thule system above my bed on my avalanche and loved it. That is a great option.
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Old 05-08-2018, 08:58 AM   #8
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The spare tire doesnít have the torque out beyond the bumper.

If there was a way to minimize the movement and transfer the weight behind the bumper it would help but the bumper just wasnít made for that much twisting force.

I ran a Thule system above my bed on my avalanche and loved it. That is a great option.
Would you have a picture of your setup? I currently have the BAKflip tri-fold cover and trying to find a way to mount the bikes onto that.
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Old 05-08-2018, 10:15 AM   #9
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Would you have a picture of your setup? I currently have the BAKflip tri-fold cover and trying to find a way to mount the bikes onto that.


Unfortunately I do not. You should be able to get the adapter to mount it in your stake holes and still allow some minimal access or just needing to remove the rear cross bar. I think.

I had the removable panels is I just lifted the up and slid them out the back.
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Old 05-08-2018, 11:12 AM   #10
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Your owner's manual probably says "no bike rack". It's not the weight but the cantilevered bouncing that starts twisting the bumper.
Very true... I would guess from what little I remember from Physics class, putting (2) 50 lb bikes out there on what amounts to a 24" lever, would put several hundred pounds of twisting force on the bumper.

What I did on my last TT was sit my bike in between the spare tire and the rear wall and bungee cord my bike wheels to the top of the bumper and spare tire. I did have to loosen my handlebars and turn them sideways to make sure they wouldn't rub the siding.

Not enough room to do that on my 195rb. So, I removed the spare tire & carrier. I carry the spare in the back of my truck. Then I installed a u-bolt type receiver and my regular bike rack on the back. I figure 1 bike up close to the bumper strapped tight so it can't bounce around will be ok. Time will tell!
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