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  1. #76
    Senior Member nancyj's Avatar
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    Sweet - beauty in simplicity - love it.

  2. #77
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    i just did a cheap version of it as well....i've got a large sams club bag and a smaller walmart bag thats a freezer type bag, i used duck tape and taped the straps criss cross...i've got the bugee right under the brakes on the frame...i'll see how it works this weekend

  3. #78
    PoB
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    Bike Mentat PoB's Avatar
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    I never gave panniers much thought mostly because I don't think a rack would work on my bike so I bought a Marmot bag that I wear on my back. But these are really nice DIY panniers and outstanding modifications.

  4. #79
    Super Moderator making's Avatar
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    ...
    Good Night Chesty, Wherever You Are

  5. #80
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    For the cost, this can't be beat!

    Great idea / execution.

  6. #81
    derailleurs are overrated bigbenaugust's Avatar
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    I recommended sheet ABS above, but sheet polyethylene would work, too, and could be had by cutting up a cat litter bucket or something.

    Or you could just use the cat litter bucket for the pannier.
    --Ben
    Carrboro Bike Coalition - putting the "bike" in "CARrboro" :)
    2011 Motobecane Fantom Cross Uno, 2009 Motobecane Fantom CX, and a Bakfiets
    Previously: 2000 Trek 4500 (2000-2003), 2003 Novara Randonee (2003-2006), 2003 Giant Rainier (2003-2008), 2005 Xootr Swift (2005-2007), 2007 Nashbar 1x9 (2007-2011), 2011 Windsor Shetland (2011-2014), 2008 Citizen Folder (2015)
    Non-Bike hardware: LinuxMint Debian Edition 2 - Mac OS 10.6 - Android 4.4 - CyanogenMod 11

  7. #82
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    i did a version as well i used the cover of a cheap notepad papper book like writeing papper it has a plastic cover thats very stiff i used it on outside and inside on wheel side of panier

  8. #83
    ouate de phoque dramiscram's Avatar
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    I did something similar with two cat litter plastique container, rigid and waterproof. The container is free when you buy the litter
    Originally Posted by Leebo
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  9. #84
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    I like the basic idea. Some changes that I'd make:

    1) As others have said, try using heavy-duty plastic of some sort (easily-cuttable) instead of something that would absorb water.

    2) Instead of using the handles to bear the weight of the panniers, get a couple of vinyl-coated hooks and bolt them onto the stiff back (vertical piece), and hang the pannier from that. I prefer this type of pannier rather than the "saddlebag" type; it allows me to take only one pannier for light shopping, for one thing.

  10. #85
    Senior Member David Bierbaum's Avatar
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    I wonder if coroplast would be an okay substitute for masonite? It would be lighter, and not all that flimsy. Unfortunately, I can't use that particular setup because of my large klunky feet, which makes heel-strikes a real problem for me.

  11. #86
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    Love this idea, can't wait to try it. Anybody seen this?
    http://www.firebox.com/product/5927/6-Bottle-Bike-Bag
    it could also be reproduced fairly easily!

  12. #87
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    I made a set...very similar, but the width of the masonite was perhaps about an inch shorter than the full width of the bag. About 20 minutes into my trip, the back bottom corner of the bag opposite the chain got caught in the spoke. The masonite snapped and bag ripped open. The issue was that the bags hang pretty low - lower than panniers you'd buy that are actual panniers. They are perhaps about two inches too high. What would have made this less likely to happen would be a small piece of elastic that hooks to the bottom of the rack. This would have kept the panniers from swinging which is how I believe they got caught in the spokes. The masonite keeps the bags and contents away from the spokes, but when the bag is swinging, the angle can change and terrible things happen. The other side was fine and they were weighted heavily (10 pounds plus on each side) so I think these bags are surprisingly durable.

    About my design.
    - I used clip board masonite which was almost an exact fit. Saves cutting.
    - I bolted the masonite to the bag with four bolts and washers which worked fine, but it is likely to scratch your rack. I didn't care if the rack got scratched, only the bike. If you care, glue it; don't bolt it or cover the screws with cloth.
    - Stitched bags together with dental floss (held up fine)

    If I were to do it again, I would 1) attach some small elastic band about five inches from the bottom of each bag to prevent them from swinging. I believe that's the reason why they got caught. 2) I'd leave an inch or two of space between the masonite and top of the bag. 3) I'd use that extra space at the top to shorten the distance between the bags and prevent them from hanging so low. You'd lose an inch or two of space vertically, but at least on my rack, they wouldn't hang below the bottom of the rack (the hub). It wasn't by much, but it was too low. 4) I'd try to find the beefiest grocery bags I could. While they would have worked, regular reusable grocery bags are just not durable. I'd be looking for something closer to backpack material. Anything less is not likely to hold up more than a few months. One sharp corner digging into these bags and they're done.

    This design worked, but I am starting to understand why panniers are so expensive. You need quality materials.
    Last edited by rek101; 07-06-13 at 05:46 AM.

  13. #88
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    You can drill through masonite and it won't shatter. It's like drilling through drywall.

  14. #89
    Senior Member rdlange's Avatar
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    Great idea, and... OK, I made these. Exactly the same bags [see post in utility bike thread], but the straps ripped off the second time I used them. Worked fine for the bread and fruit. Not strong enough for big loads like milk of canned tuna. UNLESS, maybe you use heavier canvas bags and resew the straps doubled or tripled. Just saying..

  15. #90
    rugged individualist wphamilton's Avatar
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    For heavy duty you have to use canvas bags like this, same idea.

    Image1.jpgImage2.jpg Image3.jpg

    the velcro on back is to fold up in the third photo, convenient unless you really stuff them. These have held up for several years so far, to anything I've stuffed them with. I sometimes slide a piece of cardboard in, most times not.

  16. #91
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    Fantastic replacement to expensive panniers. Great that OP included pictures

  17. #92
    coprolite fietsbob's Avatar
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    OK until it rains .. and if you cant get it far enough back, you may kick the bags with your heels

    with every pedal stroke .

    the non woven plastic bags do tear after a while , handles comme off.

  18. #93
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    Thanks for the idea!! i used thermal bags ($2.50) with zipper closures purchased at my local grocery store. Grocery Pannier1.jpg

  19. #94
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    I love the bags, just knocked a set up using ALDI bags and cardboard as a trial and have read lots of comments for improvements. I need to carry two huge school bags for my kids and they fit into the ALDI bags perfectly! (Can't seem to find manufactured bike bags big enough) my alteration to the original so far... Cable tie the bags on, permanent instillation but no swinging or falling off. I plan to make waterproof canvas bags for the proper version.

  20. #95
    Senior Member bmthom.gis's Avatar
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    Quote Originally Posted by gotcha640 View Post
    The masonite would probably die entirely after a few rains, but since he's only using it there and back (it appears) I doubt it's an issue. Right now I'm thinking about a shelf I could fold up when not in use that would hold a bag like those. Coroplast would be waterproof and light, wire shelves might be heavier but stronger and would not cause the funky handling in the breeze.
    Wald makes a folding basket that perfectly fits a grocery bag. I know, not DIY, but it works really darn well.
    "All of the true things that I am about to tell you are shameless lies."

  21. #96
    Senior Member
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    Coroplast works very well for stiffeners. Free for a few days after an election. You can even make whole panniers out of them.

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