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03-17-2017, 01:39 PM
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#1
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Senior Member
Join Date: May 2014
Posts: 830
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Bike rack.
Have a question , I have a rockwood hw276 highwall I take 2 bikes this year but leave my tonneau cover on my truck and the tongue weight I'd already 450lbs. The highwall is to tall for me to use any type of mount for the roof racks. I'm wondering if I can use a rack on the back bumper. I know they say I can't do it due to the bumper not strong enough. But why am I use the bumper to support the bed. Not all the weight but some of it.
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03-17-2017, 01:58 PM
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#2
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Who Dares, Wins
Join Date: May 2012
Location: Chester County, PA
Posts: 7,044
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You answered your own question. Last part doesn't make sense.. But the bumper can barely hold itself together let alone a bike or two bouncing around down the road.
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Pat, Jen, Heather & Sapphire, the head mouser.
2015 Chevy HD D-Max
2022 Impression 315MB
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03-17-2017, 02:23 PM
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#3
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Senior Member
Join Date: May 2014
Posts: 830
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Yeah kinda figured that about the bumper. Bit I have stood on it to look at the roof and it held me and I'm 170lbs but not for 3 hours on michigan pothole roads! Thank you. Guess I'll have to figure something out
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03-17-2017, 03:09 PM
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#4
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Senior Member
Join Date: Apr 2013
Location: Idaho
Posts: 2,058
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Only thing I understood was can you add weight to the rear bumper. Yes, you can but it needs to be reinforced (usually).
Just get someone to reinforce the bumper to the frame. I have met quite a few people who have done this on popups and had no problems.
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Trailer: Lifted 228BH, heavy duty springs and Yokohama tires DELAMINATED ROOF
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Living somewhere in ID; previously lived in Moab UT; previous to that, don't ask!
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03-17-2017, 03:19 PM
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#5
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 30,652
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You'll need to have a receiver welded and braced to the frame and bumper.
It's the physics involved with a bouncing loaded bike rack bending and flexing the bumper down and back.
This will eventually weaken the cheap bumper welds.
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Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.) 
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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03-17-2017, 03:34 PM
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#6
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Senior Member
Join Date: May 2014
Posts: 830
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Quote:
Originally Posted by f5moab
Only thing I understood was can you add weight to the rear bumper. Yes, you can but it needs to be reinforced (usually).
Just get someone to reinforce the bumper to the frame. I have met quite a few people who have done this on popups and had no problems.
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Quote:
Originally Posted by doc73
You answered your own question. Last part doesn't make sense.. But the bumper can barely hold itself together let alone a bike or two bouncing around down the road.
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03-17-2017, 03:48 PM
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#7
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Who Dares, Wins
Join Date: May 2012
Location: Chester County, PA
Posts: 7,044
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Do you want to put that rack on the back of the trailer? Not sure about that. I do not have any idea how much of the weight would be on the rear bumper. The difference between you standing on the bumper and your bikes is you are a static load, not moving much. The bikes, while maybe say 100 or 150lbs are or will become a dynamic load, moving around. They will bounce and vibrate and shake. Depending on how tall the mount is and other stuff it acts like a big leaver (think breaking bar) and will make that 100lbs seem like 300lbs until it shatters the welds or the frame / bumper material shear right off.
EDIT: on further loking that looks like the weight would all be on the rear wall of the TT not on the bumper?
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Pat, Jen, Heather & Sapphire, the head mouser.
2015 Chevy HD D-Max
2022 Impression 315MB
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03-17-2017, 03:57 PM
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#8
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Senior Member
Join Date: May 2014
Posts: 830
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Doc that mount I would use on the truck tailgate. It looks like it would work with a little mod top the top bars so I could still use my tonneau. Bur I don't know until I get it and both bikes mounted how it would affect the turning radius. But then I wouldn't have to be concerned about tongue weight or screwing up the rear bumper of the pup.
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03-17-2017, 04:02 PM
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#9
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Who Dares, Wins
Join Date: May 2012
Location: Chester County, PA
Posts: 7,044
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Oh, yeah you will prob not have the room for that. You'll crunch the bikes making a turn when you forget. They do make a mount that bolts over the A frame / propane cylinders to hold the bikes over the jack area.
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Pat, Jen, Heather & Sapphire, the head mouser.
2015 Chevy HD D-Max
2022 Impression 315MB
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03-17-2017, 04:04 PM
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#10
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Senior Member
Join Date: May 2014
Posts: 830
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Prorac? I have a highwall and the roof is about 5 1/2 ft closed. Guess I'll just threw them in the bed and take less stuff! Guess less stuff I take means less stuff I have to pack. Thank you
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03-17-2017, 04:07 PM
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#11
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Who Dares, Wins
Join Date: May 2012
Location: Chester County, PA
Posts: 7,044
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Not sure who makes it. I have seen two different co. that made it on here. Ends in a 2" hitch then you use your bike carrier. Stromberg Carlson might be one maker.
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Pat, Jen, Heather & Sapphire, the head mouser.
2015 Chevy HD D-Max
2022 Impression 315MB
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03-17-2017, 04:11 PM
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#12
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Lippert "Jack It" bike rack! Nice unit,easy to mount!  Youroo!! 
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03-17-2017, 06:03 PM
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#13
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,800
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Quote:
Originally Posted by kinma13
Doc that mount I would use on the truck tailgate. It looks like it would work with a little mod top the top bars so I could still use my tonneau. Bur I don't know until I get it and both bikes mounted how it would affect the turning radius. But then I wouldn't have to be concerned about tongue weight or screwing up the rear bumper of the pup.
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I did this with our Durango and Coleman Niagara camper. With the tongue of the camper, there was plenty of room to clear on turns and backing up.
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Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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