Author Topic: Corbin Trunk and Phils Modification  (Read 4195 times)

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556ALPHA

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Corbin Trunk and Phils Modification
« on: February 22, 2012, 07:13:54 pm »
I posted this on the other forum but figured some do not frequent both. 

I recently purchased a used Corbin Trunk and sold my Givi E55.  The E55 was an outstanding trunk and if the Corbin had a quick release I would have used the Givi for local use and the Corbin for trips.  First things first, the Corbin is LARGE.  It does have lines to match the bike and the color is pretty close.  It has integrated brake and running lights which is a plus.  The backrest is very nice and it can hold a good amount of items.  I chose to make a change from the Givi E55 because I am setting my bike up for touring purposes and the backrest was a requirement.  I have installed items such as a V-Stream, Mayer Saddle, Passenger Boards, Highway pegs, and a few other items to make longer trips more comfortable.  I appreciate the sport aspect of the bike but I cannot afford to get caught enjoying it if you know what I mean.     

When I initially installed the Corbin it did not fit the bike and my wife.  The backrest was angled too far backwards and the trunk itself was too far back.  The backrest height was ok but I wanted it to be just a little higher.  The body lines that Corbin took the time to integrate did not correspond with the same angle of the saddlebags and I noticed it right away.  The trunk drooped in the rear and stuck out way to far.  Also the rear factory brake light was hard to see due to the trunks length and proximity to the tail light.  The Corbin bolts directly to the rear rails and does not use a rack.  I know these are small things but I suspect some of you guys are like me.  I contacted Phil who IMO is the resident expert here on the rack area and fabrication.  After about a month of collaboration he came up with a great solution for all of my issues with trial and error applications.  The changes in appearance may take a second look to catch, but as with things like risers and other mods a small difference in measurements here or there can make all the difference in comfort.  In addition the trunk now has a little front to rear adjustment if needed to find the perfect location thanks to Phil.   

Although the trunk is very large I felt more comfortable loading much more weight into the Givi E55.  The Corbin is a heavy trunk without adding a lot of weight.  I will now load lighter things in the trunk and place the heavier things in the side bags.  Moving the trunk forward puts more weight on the bike itself instead of hanging off the rear, which hopefully reduces stress on both the trunk and the factory rails.  I think Corbin could have done a much better job with fabrication and design.  If it was made just a little more smaller with less length and had a quick release option it would be 10X the trunk it is.  I hope this helps anyone interested in the Corbin Trunk as I found very little info on the web.  Here are some photos of the materials and the trunk with before and after shots.   

Before, notice the body lines and location of the trunk in relation to the bike and passenger:

After


Backrest angle and height before:

After


Grab Rails still accessible:

« Last Edit: February 22, 2012, 07:21:35 pm by 556ALPHA »

556ALPHA

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Re: Corbin Trunk and Phils Modification
« Reply #1 on: February 22, 2012, 07:17:15 pm »
Pictures of Phils great fabrication:





556ALPHA

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Re: Corbin Trunk and Phils Modification
« Reply #2 on: February 22, 2012, 07:18:30 pm »
Additional photos

Before:


After:



556ALPHA

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Re: Corbin Trunk and Phils Modification
« Reply #3 on: February 22, 2012, 07:19:40 pm »
Last Photos

Before


After



Before

After

Offline Momo65

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Re: Corbin Trunk and Phils Modification
« Reply #4 on: February 22, 2012, 07:44:59 pm »
awesome set up for the trunk, do you know if he is planning on making a few more of them trunk racks, they seem to be a good solution for a problem that i have with mine, let me know would be appreciated , thanks in advance

556ALPHA

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Re: Corbin Trunk and Phils Modification
« Reply #5 on: February 22, 2012, 08:00:32 pm »
I would contact him via PM and see what his plans are.  He was great to work with on the project. 
Here is his page:
http://forum.cog-online.org/index.php?action=profile;u=37184
« Last Edit: February 22, 2012, 08:07:08 pm by 556ALPHA »

Offline Momo65

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Re: Corbin Trunk and Phils Modification
« Reply #6 on: February 22, 2012, 08:47:01 pm »
thank you very much, i will do that.

Offline ZG

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Re: Corbin Trunk and Phils Modification
« Reply #7 on: February 22, 2012, 10:56:38 pm »
Very nice TJ, I love slightly custom!!  8)




Oh and as for Phil.... You Da'man!!  :13:
BAD A$$ isn't cheap, and cheap isn't BAD A$$...

Offline Sharp Charge

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Re: Corbin Trunk and Phils Modification
« Reply #8 on: February 23, 2012, 05:02:08 am »
Very nice, that last pic from the rear sells it. 




Offline Luther

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Re: Corbin Trunk and Phils Modification
« Reply #9 on: February 23, 2012, 12:28:27 pm »
It is great top box, and the color is bright.

 8)

556ALPHA

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Re: Corbin Trunk and Phils Modification
« Reply #10 on: February 23, 2012, 04:08:27 pm »
Thanks guys, hopefully this will help some others.

Offline Northern Rider

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Re: Corbin Trunk and Phils Modification
« Reply #11 on: February 23, 2012, 05:48:52 pm »
Did you need to replace the 4 bolts that come with the trunk with longer ones?
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556ALPHA

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Re: Corbin Trunk and Phils Modification
« Reply #12 on: February 23, 2012, 06:14:57 pm »
No,
They bolt into the top rail that Phil fabbed.  I actually used two steel washers on the front and two steel washers with a rubber washer in between on the rear bolts.   

Offline philipintexas

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Re: Corbin Trunk and Phils Modification
« Reply #13 on: February 29, 2012, 02:57:37 pm »
I'll try to quantify what these brackets do. Tilting the trunk 4.5 deg. up at the rear, brings the top of the backrest (assuming 12" high) about 1-1/4" forward. There is a sliding bracket to which the trunk attaches that in its rear-most position is about 1-1/8" forward from the stock position.

The sliding bracket offers about 1-1/4" of additional movment to the front. So, the brackets will mount the trunk forward between 2-3/8"  to  3-5/8". These are approximations since I don't have a trunk to measure. The object was to make the backrest more vertical and move it forward for passenger comfort, while at the same time correct an appearance issue with the ribs in the Corbin trunk not being parallel with the ribs in the saddle-bags.
Need a better luggage rack? www.philsfarkels.com   

Offline TJ

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Re: Corbin Trunk and Phils Modification
« Reply #14 on: March 01, 2012, 12:51:15 am »
After some road testing these provided to be a huge success.  Highly recommended to anyone out there with a Corbin trunk.  It just looks better and has more function, Phil went through three test units before finalizing mine and I believe he is still improving the design.