Biltwell Exfil-11 Magnetic Tank Bag Review (on a Svartpilen 401)

Vintage Veloce

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I just received the Biltwell Exfil-11 Tank bag recommended by MedicMeow... and I like it!
(I also like the Husqvarna bag, but I really wanted a clear top map pocket and just a bit more space.)

Th Exfil-11 is about the same size as the Husqvarna magnetic tank bag, but taller.
The front two magnets on the Exfil are about 1" (25mm) wider spaced than the Husqvarna bag, but it doesn't seem too loose on the Svartpilen rack if you are careful to attach them as far apart as possible on the rack. The front magnetic ears are right at the front of the bag, so you can still easily access the ignition key even with the bag mounted.
Of course the rear magnets on the Exfil bag are useless as they do not line up with the Husqvarna rack (you can fold them under and they stay there as they attach to other magnets in the bag). But regardless, the bag seems pretty well stuck to the rack, even with just the front two ears.
I will add a center rear magnet, it does seem easy to do. (My tentative plan is to put a slit through the inside liner and to glue or stitch a magnet in there. I'll report on that later).

One strange thing: the bag has a zipper on the left and right sides at the bottom of the bag. If you open that zipper you can access the inside of the bag, at the bottom. These seem a bit dangerous, as you could accidentally leave one of these open and stuff could fall out. On the other hand, maybe it is handy access to the bottom sides of the bag?

It does have a a mesh pocket under the "lid" and another one in the front that are handy.

The bag also has two expansion zippers for gussets on either side of the bag (not all the way around) that allow the bag to expand about 1.5" (35mm) on the sides. I really like this as I often find I want to squeeze something extra in during a trip. Unlike the stock bag, I think I'll be able to get a thin sweater or windbreaker into this bag with my other gear. I didn't see these zippers advertised and they are a nice bonus.

The Exfil-11 also has molle webbing on the sides of the bag, but I've never personally found that useful on any gear that I have.

Pictures:
Left is the Exfil-11, on the right is the standard Husqvarna magnetic bag.
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Side view shows the access to the ignition key and how the front of the bag is taller than the back.
PXL_20210308_225933328.jpg

Orange interior, handy mesh bag under the lid. Zipper is for the clear external map pouch.
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Small mesh pouch in the front of the bag. My big sunglasses didn't fit.
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Bottom side entry zipper. Don't leave that open or stuff might fall out.
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Expansion zipper allows side gusset to expand about 1.5" or 35mm.
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Vintage Veloce

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Joined
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I found this picture with the dimensions. Biltwell claims the bag will hold 11 standard 12oz cans. Thus the name Exfil-11.
DiagramExfil_11_480x480.jpg
 

Vintage Veloce

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Joined
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I decided to use some cord and a carabiner to secure the rear of the bag until I add a magnet near the back center. It is probably fine without this, but I like the extra security.
PXL_20210309_002951998.jpg
 

Vintage Veloce

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Joined
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Location
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I added a rear magnet to the bag and it's now perfect!
Got a great magnet from amazon, a cup magnet that is in a protective metal shell:

I carefully put the bag on the rack and then marked where the magnet needed to go:
PXL_20210310_012119840.jpg

There are a bunch of layers, and I cut through them very carefully. Note I used the blade with the edge up.
PXL_20210310_012500671.jpg

See the foam layer underneath:
PXL_20210310_012511783.jpg

There is the orange top layer, a white cloth layer under that, then a foam layer.
  • I sanded the magnet to roughen the surface.
  • I used Loctite Clear Silicone Waterproof Sealant to glue the magnet to the black layer under the foam.
  • I also put a bead of sealant around the edge of the magnet.
  • I then "tented" the fabric and foam up to leave space so air could get in and let it dry 48 hours. Silicone sealant needs air exposure to harden, so leaving it open for air is important.
  • I then used Weldwood Contact Cement to close the slit in the foam, and then the white fabric layer. (NOTE: Silicone sealant will not hold to foam; that is why I used the contact cement on these layers.)
PXL_20210313_224441855.jpg

And finally on the top orange layer, I used a fabric repair tape that outdoors people use on their jackets and tents.
PXL_20210313_232541079.jpg

Done, and the magnet works perfectly!
It might not be completely necessary to have this magnet on the rear of the bag, but the bag is now held down in three points and seems very secure.
 
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