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  #25  
Old 11-11-2013, 07:10 PM
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Re: Yakima Railgrab Tower and Crossbar

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Originally Posted by silversvs View Post
Just put on a new set of Yakima crossbars with Railgrab towers. Got everything from Amazon for about $350 including towers, 48in crossbars, core locks, & Powderhound ski attachment. I didn't think endcaps for the crossbars came with the towers, so I ordered those separately. However, when the towers were delivered, a set of four endcaps were included. So, now I have extras just in case.

I was initially concerned when attaching the towers to the flush rails. The feet don't rest on the roof. Both the claw and the foot were set on the black trim beneath the silver rail. It won't look like its attached securely when you tighten the claw. As you tighten the claw, the foot of the tower will ride up the rail.

It's actually on pretty solid. I was rocking the whole Jeep with some good pushes and tugs on the crossbar. Will keep checking throughout the season if anything comes loose.

Pictures of the setup are attached.
Got the 'adapter pins' from Yakima as recommended. Just put them on and the fit is much better. There is clearly 3 points of contact on each tower.

It's not necessary to remove the towers from the crossbars. You can still change out the claw while still attached. The tricky part is keeping the square nut in place.

Many thanks for the input.
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  #26  
Old 12-28-2013, 12:00 PM
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Quote:
Originally Posted by rs153719 View Post
Decided on the windjammer! After researching, I went with 2 jammers placed "off center" on the front bar. HUGE deference, basically eliminated all noise from the bars! Im back to a quiet cockpit now!
Ordered two windjammers and set them up like yours. I do a lot of freeway driving at 70+ mph and they made a tremendous difference. Much quieter now in the cabin. Just sounds like normal wind noise without any whistling from the crossbars.
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  #27  
Old 12-28-2013, 03:57 PM
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Re: Yakima Railgrab Tower and Crossbar

Am I the only one that is surprised to see the rack mount to the outside of the rail and not inside the slot? I would think the slot was designed to accomodate roof racks to fit within it, and not squeeze from the outside.
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  #28  
Old 01-02-2014, 12:37 AM
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Quote:
Originally Posted by wilee View Post
Am I the only one that is surprised to see the rack mount to the outside of the rail and not inside the slot? I would think the slot was designed to accomodate roof racks to fit within it, and not squeeze from the outside.
Other brands may fit in the rail, but this is one model Yakima offers up to work for the GC. Not sure if Mopar has something to work inside the rail. Bottom line is that it works just fine.
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  #29  
Old 03-31-2014, 11:45 AM
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Re: Yakima Railgrab Tower and Crossbar

Great information on this thread! Thanks for all the good information and pictures. We just got a 2014 for my wife and we are taking it to Colorado in a week. I wanted to re-use my Skybox and Yakima gear from another vehicle and this answered by questions. I got the RailGrab and Pin adapter kit (after I called Yakima for it ....... great tip !).

I used the lower strut from the pin adapter kit and the original "lower jaw" from the RailGrab kit. It took a while of tweaking to get it set up right but I am very happy with it. I only plan to use this set up with the Skybox so I didn't bother adding my fairing to the set up (the noise of the box covers up any noise the bars would have added by themselves). Now my only real question is how fast can I go with the box on the top? In Nebraska the speed is 75 and I normally drive 10 over so I want to make sure I don't have any issues at that speed.

I tried to add a few pictures but I didn't see how to attach them from my pc.
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  #30  
Old 04-01-2014, 11:08 AM
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Re: Yakima Railgrab Tower and Crossbar

OK, I think I figured out how to upload pictures.

I think the Skybox will work well for us. There is just enough clearance to open the rear gate too.
Attached Images
File Type: jpg IMG_20140330_172203_386.jpg (563.6 KB, 82 views)
File Type: jpg IMG_20140329_171212_847.jpg (579.5 KB, 96 views)
File Type: jpg IMG_20140329_171431_322.jpg (523.5 KB, 82 views)
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  #31  
Old 04-03-2014, 03:54 PM
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Re: Yakima Railgrab Tower and Crossbar

Looks good Chuck!
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  #32  
Old 04-06-2014, 09:02 PM
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Re: Yakima Railgrab Tower and Crossbar

Ok I figured I would post another picture of the Yakima box. We just drove 1300 miles for Spring Break. We had 40 mph head winds through Iowa the box held on great. My mpg was about 14.6 in the high winds. After the wind died down we got back up to around 17 or so. Crazy.

Here is a picture at the top of Loveland Pass.
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  #33  
Old 04-07-2014, 06:11 AM
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Chuck- Curious, what model of your Yakima Skybox? Isn't it Skybox Pro 16? Also is your rack bar Whispbar Flush Bar or Through Bar? Your looking good. I have 2014 JGC Limited Diesel. Planning to buy Cargo and Bar in few weeks.
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Old 04-07-2014, 07:49 AM
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Re: Yakima Railgrab Tower and Crossbar

Great info in this thread, thanks all. I just got a 2024 JGC CRD Overland and am thinking about going with a Yakima rack system. I've used Yakima racks on other cars for 20 years and those racks are STRONG. I've put lots of gear up there. Come-along straps keep things solidly mounted.

Round bars for me - that's all I've used and I don't think those other Whisper shapes look strong enough. Not from the pictures anyway. I might change my mind if I see and feel them in person.

One thing about the Yakima fairings, for wind noise/hum, is that they're hard to keep clean. After some miles and bugs they start to look ratty. If I go with Yakima and get a fairing, I might put it on the back bar instead of the front. That might sound a little odd and I don't recall seeing a car with that setup. But its function is to break up the harmonic vibration and standing wave created by the two bars, and mounted on the rear bar will do that. Also after a few years the fairing's feet that reast on the roof will slowly rub the paint off.

Mounting the fairing in the back will keep my JGC's appearance looking tidy and not ratty.
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  #35  
Old 04-07-2014, 07:13 PM
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Re: Yakima Railgrab Tower and Crossbar

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Originally Posted by texguy View Post
Chuck- Curious, what model of your Yakima Skybox? Isn't it Skybox Pro 16? Also is your rack bar Whispbar Flush Bar or Through Bar?
The box is the Skybox 16s. I think it's the perfect fit. I considered a bigger box like the 18 or 21 but they are longer and will hang out more over the front of the roof/windshield. I have two kids and we can fit ski/snowboard gear, boots, helmets, etc. etc. for four people in the 16 with no problem. The bars I am using are the standard round bars with the RailGrab mounts (I also made sure to call Yakima for the shorter attachment legs as noted in this thread).

The noise from the bars is not really noticeable over the noise of the box. If I decide to keep the bars on through the winter and need to use them without the box I may consider the Whispbars. For now, I'll leave it as is. As noted in a previous post, we had 40mph head winds in a recent trek to Colorado and I was driving about 75 mph with no issues of the box moving. I will say with that much effective wind speed on the box it definitely had a strong whistle noise. However once the head wind was gone you can go 80 mph without much trouble or excessive noise.
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