Sunday, 26 April 2015

Fatbike Fenders

Fat tires are great . . . we all know that.  They give us super flotation on snow and crazy grip on dirt.  But they can also kick up an awful mess of mud and other stuff when conditions are right.

Over the last year I have experimented with different designs to keep both me and my bike clean.

I have tried mounting one to the rear rack bolts . . .



Attaching under the seat . . .



However the most successful design is based on this template.



The material comes in many colours and is easily sourced wherever there is snow.  Crazy carpets.  For under $5 you can have enough material to outfit several bikes.  I have also seen place mats or flexible cutting boards made from the same material in dollar stores.



One afternoon I thought I would swap out the black with a little colour. 



Its as simple as trace with a sharpie . . .



Cut with normal scissors . . .


Drill out the mounting holes.



I mounted them to the bike with black zip ties that I got from a dollar store.


Rear fender




Frame fender




Front fender

  

Here is the PDF of the template for the front and the rear fender. Tape the two 8.5 x 11 pages together and that will make the front fender.  

Lengthening the square end will give you the rear fender.

The frame fender is 5" wide and 18" long (the full width of the crazy carpet). Cutting it this way uses the natural rolling of the material to make a nice curve in the fender.

Have fun !!





8 comments:

  1. I've looked at a lot of fenders for my fatty, but they all seem to be overkill. I really want something simple, this looks great! Thanks for sharing!

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    Replies
    1. I have a seat version that I will be posting soon. :-)

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    2. Excellent, I look forward to it!!

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  2. I have made a vector line drawing .pdf of your file. Would you like to take a look at it?

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  3. Replies
    1. Let me know where to send a .pdf to you. I also posted pics on Fat Bikes on facebook on Dec 15 of the fenders that I made. I have made several alterations to the initial design since I first made them.

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    2. https://www.facebook.com/groups/thefatbikes/permalink/1494702590558152/

      here is look

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    3. Nice job on the fender. I like the material. fatbikerepublic@gmail.com

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