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  1. #1
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    Fatty Fenders on a Muk

    No, not Freddy Fender, Fatty Fenders. I saw on the interweb a while back, a guy made some fenders for his fatbike using clear acrylic and I thought that was pretty cool. This past spring I started using my Mukluk for pulling my 4 year old around on his trail-a-bike. Pretty quickly we discovered that those big tires throw a lot of dirt up, right into his face, so I decided that I needed to fabricate some for myself. I thought the clear plastic was cool, but decided that aluminum would be cool too and it was easier for me to acquire.
    I bought a pair of Planet Bike Cascadia 29er fenders, ripped them down the middle with a band saw and then riveted in a 3" wide strip of aluminum. I still need to add the mud flaps to the bottom of each fender, but that shouldn't be too tough. I figure once those are on then I'll add the chrome naked chick, that are on truck fenders .
    I'm not sure if I'll keep them on once the snow flies, as I worry they'll fill up with snow, but we'll see.



  2. #2
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    Look very professional--nice work! I see a winter project for myself here...

  3. #3
    Geordie biker
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    they look great!
    2014 milage so far - 2,485
    www.ukfatbikes.co.uk

  4. #4
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    they look great, id love to see them with the centre strip sprayed to match the frame colour !!

  5. #5
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    Must get some of those

  6. #6
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    Nice work man. They look perfect. I too will be doing this. Hopefully the offset on the pugs doesn't make it too much more difficult.

  7. #7
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    My wife found mud flaps with the chrome chick on them at our local bike shop about a year ago so someone makes them!
    bike = freedom!

  8. #8
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    Quote Originally Posted by eec62 View Post
    My wife found mud flaps with the chrome chick on them at our local bike shop about a year ago so someone makes them!
    Electra Bike Company.

    electra girl mudflap - Google Search

  9. #9
    ent
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    this may be my weekend project. Nice work

  10. #10
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    Thanks everybody, all said and done, they came out pretty cool. I can't help but think that by next fall/winter someone will be making an after market pair of fenders for the fattys.

    Quote Originally Posted by cozz View Post
    they look great, id love to see them with the centre strip sprayed to match the frame colour !!
    Yeah, I thought that would be cool, or even trying to incorporate the trees from the Mukluk graphics. Maybe in my next set...

  11. #11
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    Quote Originally Posted by chubbyone View Post
    Electra Bike Company.]


    Perfect! I'm ordering a pair now

  12. #12
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    Thanks eec62 and Chubbyone for the heads up on the mud flaps.

    Now I can say they are officially finished.


    Another view showing the front fender as well.

  13. #13
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    Awesome.

    Now how much will it cost for you to fabricate me a pair?!?
    "Ride what you love, love what you ride"

  14. #14
    All fat, all the time.
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    LOL.....
    LOVE the mudflap! Very nice set of fenders

  15. #15
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    Spectacular!

  16. #16
    will rant for food
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    My wife said, "Hmm... kinda sexy."

    I did not marry a feminist. I might have married a bisexual, I won't get back to you on that.

  17. #17
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    Dude--where'd you get a chrome cutout of my wife?

  18. #18
    R.I.P. Pugsley.
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    I think this one is is the one for on a fatbike.
    Attached Thumbnails Attached Thumbnails Fatty Fenders on a Muk-fatmudflapgirl.jpg  


  19. #19
    Black Sheep rising
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    Dude--where'd you get a chrome cutout of my wife?
    Let the market decide!

    N42.58 W83.06

  20. #20
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    Quote Originally Posted by Rabies010 View Post
    I think this one is is the one for on a fatbike.
    Totally !

    BikerTex : congrats', nice home-made custom work.
    You know the poor skills of french people for foreign languages so please be indulgent with me !

  21. #21
    R.I.P. Pugsley.
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    Quote Originally Posted by utabintarbo View Post
    Dude--where'd you get a chrome cutout of my wife?
    Is that you dad ?

  22. #22
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    Quote Originally Posted by Rabies010 View Post
    Is that you dad ?
    Could be. What's your Mom's name again?
    Let the market decide!

    N42.58 W83.06

  23. #23
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    Love your setup, find someone to manufacture those, put them on a website, you could sell a thousand of them in a weekend.

  24. #24
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    Quote Originally Posted by MikeC AK View Post
    Love your setup, find someone to manufacture those, put them on a website, you could sell a thousand of them in a weekend.
    Interesting that you say that, a friend and I are talking about this. He has a pretty well stocked shop (band saw, drill press, etc.) and thinks we could produce a dozen or so pairs easy enough. My only issue, is price. What would people be willing to pay for a set of these? The killer is the Planet Bike Cascadia fenders cost me about $45, plus the aluminum, rivets and time. We would have to charge at least $100+ a set in order to make it worth or time and efforts. Would people be willing to spend that on a set of fenders? Personally, I'm a cheap a$$, that's why I made them myself.

  25. #25
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    Don't pay retail, I'm sure you could get them for half that price if you contact Planet Bike(they might steal your idea though, probably not). I would bet if you placed an order for 50 or 100 of them you could get them for $20, plus maybe 5$ for aluminum/rivets. Sell 100 for 60$, you just made a gross profit of $3,500 in a weekend.

    If Planet Bike won't work with you, find a manufacturer that will, plenty of them would, PM me if you want help with this. I am a consultant so too much more advice and I will have to charge you .

    Good luck.

  26. #26
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    Quote Originally Posted by MikeC AK View Post
    Don't pay retail, I'm sure you could get them for half that price if you contact Planet Bike(they might steal your idea though, probably not)...
    I was going to suggest the same thing.

    And would say in the $60 range, I would buy a set. But if you are going down this path, might want to source the AL sheet black anno'ed.




    g

  27. #27
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    Agreed - under $75 they will fly out the door

    $100 is mentally hard to swallow but if you could sell them around $75 I'd be all over a set.

    jed

  28. #28
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    $60-$100 is a fair range, imo
    "Ride what you love, love what you ride"

  29. #29
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    OP, I must thank you for your idea. I just finished up my front fender and I need some more rivits to complete the rear. I used strips of 3" grey plastic instead on aluminum.






  30. #30
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    Yah, Thanks!!


  31. #31
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    VMAXX4 and OP...how did you guys cut the fender down the middle? I'm going to do this myself. The fender looks like it might splinter...I'm really curious how you cut this.

    Thx

    Mark

  32. #32
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    Quote Originally Posted by Slarti View Post
    VMAXX4 and OP...how did you guys cut the fender down the middle? I'm going to do this myself. The fender looks like it might splinter...I'm really curious how you cut this.

    Thx

    Mark
    I think the OP used a band saw to cut the original fender.
    I marked a cut line down the center inside of the fender, then I used the "olfa" knife seen in one of my pictures and followed the cut line down the length of the fender. You don't have to press hard and as I cut, I ran my fingers along the edge of the fender as a guide to keep my line straight. After you get the first cut/scratch down the fender repeat again and again and again....until you start to brake thru. You don't have to cut completely thru the fender. At one end of the fender start flexing it back and forth until it starts to split. You can see this also in one of my pictures. Then keep working you way up the fender flexing it back and forth and it will now split apart easily.The fenders are advertised as shatter proof and I never felt like they were going to break apart. I used a really big ty-rap as a straight edge when marking my cut line. I think you can see it laying on the table in one of the pictures as well. I was able to lay it right inside of the fender, allign it, then run a magic marker down the side of it.
    I used plastic strips. I also cut about 10 " off the front section of the rear fender to make it a bit lighter. Didn't need it wrapping way down the tire like the original length. As for mounting, when I put the front fender on first, I could not get it to sit "just right" I ended up putting a spacer ( the one's they supply for the disk brake spacing) on each side. This holds the mounting brackets out a bit more from the tire, puts a lot more "pressure" on the mounting points at the fender and holds the fender firmer. I made two more spacers for the rear, one on each side as well. I have not tried my fenders other than in snow conditions, but yes, they move around in the rough stuff but not too badly yet. I'll have to see once the snow melts and my trails are a bit rougher.

    There is another post on here about a guy starting to make fat bike fenders. They look very good. New Pugsley Fenders!
    Last edited by vmaxx4; 03-02-2012 at 08:15 PM.

  33. #33
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    I used a tape measure to find the middle, made a series of marks and then used blue painters tape to draw a straight line. Once I had that, grab your dremel and a cutting wheel and start cutting. The plastic will melt a bit as you cut but the this will flake right off. The nice thing about using the dremel is that you can cut through the stay hardware and don't have to drill it out.

  34. #34
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    I just eyeballed it and used a band saw. I fed it through to my brother who stood behind the saw to keep them from flopping around. It took about 20 seconds per fender.

    As an update, I removed my fenders in early December and haven't put them back on yet. I felt they clattered too much when I rode singletrack, but I plan on putting them back on once the wet season returns to MN.

    If I were to make another set I would go a little wider, I think the 3" strip I used was too narrow. Occasionally while riding off-road, especially during corners, the metal supports would rub and catch on the tire. I'm thinking a rear rack may provide more stability to keep the fenders from swaying so much.

  35. #35
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    Thanks for the info guys...I've got a set of the cascadia's on order. I'm trying to put together a fender from a 55gallon plasitc drum, but I fear the plastic is too thick (1/4 in). This is going on in another thread. Once I get these and start the work I'll post some pics.

    Mark

  36. #36
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    Quote Originally Posted by BikerTex View Post
    If I were to make another set I would go a little wider, I think the 3" strip I used was too narrow. Occasionally while riding off-road, especially during corners, the metal supports would rub and catch on the tire. I'm thinking a rear rack may provide more stability to keep the fenders from swaying so much.
    I found 4" aluminum flashing that came in a roll at the hardware store. All I had to do was cut it to the length of the fender. The width is good, the down side was I had to cut some notches out to accommodate for the fork.

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