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  1. #1
    Senior Member cheg's Avatar
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    Homebrew snow tires

    Never thought we would need this west of the mountains but today I built some homemade studded snowtires for my mountain bike. I found the info through a link on Bike Forums. It's pretty easy. Don't know how long they will last but they probably won't get a lot of use around here.

    Home made studded snow tires:

    Parts
    1 pair of old 26" knobbies
    Box of 100 ea. #8 x 1/2" lg. pan head sheet metal screws, ~$4.00 for steel. Stainless would last longer.
    1 pair of worn out 27" x 1-1/4" tires

    Tools
    sharp spike like an icepick
    power screw driver
    knife

    Poke holes in the tire at the center of the selected row of knobs with the spike. I used every 3rd knob on the third row from the center on each side of the tire.

    Install the screws from the inside with the screw driver



    Use the knife to cut the beads off of the 27" tires.


    Install cut tires inside the knobbies so that the screw heads are covered


    Trim the liners to length


    Coat the inside of the liner with baby powder to reduce friction on the tube


    Mount, inflate, and ride.



    Fuzzy seat not included.

  2. #2
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    couldn't some of those hard plastic tire liners have worked?

  3. #3
    Senior Member cheg's Avatar
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    Quote Originally Posted by yaybikes View Post
    couldn't some of those hard plastic tire liners have worked?
    I tried the widest Mr. Tuffies they make but they were not wide enough to cover the screw heads.

  4. #4
    **** that mattm's Avatar
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    nice, i wish i had a mtn bike these days...

  5. #5
    Gears? CliftonGK1's Avatar
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    When I made a pair of those, I used silcone caulking over the screw heads to smooth out the edges and adhere them in place.

    Nice job! I bet you can really get around in this horrible stuff with those. (My 35mm studs are a little on the narrow side for deep snow.)
    "I feel like my world was classier before I found cyclocross."
    - Mandi M.

  6. #6
    Senior Member cheg's Avatar
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    Quote Originally Posted by CliftonGK1 View Post
    When I made a pair of those, I used silcone caulking over the screw heads to smooth out the edges and adhere them in place.

    Nice job! I bet you can really get around in this horrible stuff with those. (My 35mm studs are a little on the narrow side for deep snow.)
    The caulk is a good idea. If I decide this is a permanent change I'll get stainless screws and bond them in.

    I found out today that tire pressure makes a big difference on these. At 45 psi the studs barely touch the ground unless you turn or start to fall. At 30 - 35 psi they work really well on ice and packed snow. Looks like I'll get to try deeper snow tomorrow morning.

  7. #7
    I make stuff up
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    Duct Tape works well to cover the screw heads. Never had a problem for the few days each season I used them. Foolishly gave them away.

    I used a lot more screws. Centered them more on the rear.
    It's around here somewhere . . .

  8. #8
    Senior Member cheg's Avatar
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    Quote Originally Posted by MrPhil View Post
    Duct Tape works well to cover the screw heads. Never had a problem for the few days each season I used them. Foolishly gave them away.

    I used a lot more screws. Centered them more on the rear.

    I tried it this way so I could ride dry pavement better by increasing the tire pressure. Probably could use more screws though.

  9. #9
    Big Doofus mstrpete's Avatar
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    I don't have many screws, but I have a ton of pop-rivets. Do you think those would work?
    [SIGPIC][/SIGPIC]

  10. #10
    You gonna eat that? Doohickie's Avatar
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    That's so crazy, it might just work!
    I stop for people / whose right of way I honor / but not for no one.



    Originally Posted by bragi "However, it's never a good idea to overgeneralize."

  11. #11
    Senior Member cheg's Avatar
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    Quote Originally Posted by mstrpete View Post
    I don't have many screws, but I have a ton of pop-rivets. Do you think those would work?
    Maybe but I think they will wear out pretty fast. Not much metal in a rivet.

  12. #12
    Big Doofus mstrpete's Avatar
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    Quote Originally Posted by cheg View Post
    Not much metal in a rivet.
    True that. I'll have to dig around a bit more, or (gasp) go out to the hardware store and actually spend money
    [SIGPIC][/SIGPIC]

  13. #13
    Gears? CliftonGK1's Avatar
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    Quote Originally Posted by mstrpete View Post
    True that. I'll have to dig around a bit more, or (gasp) go out to the hardware store and actually spend money
    Measure how thick the tire is through the lug and buy sheet metal screws about 5mm longer than that, and corresponding nuts for the screws. Drill out the center of the lug, thread a screw through the hole and lock it in place with the nut.

    Sheet metal screws have domed heads and are less likely to do damage, even if you don't use a tire liner or other protective strip.
    "I feel like my world was classier before I found cyclocross."
    - Mandi M.

  14. #14
    Commander, UFO Bike K'Tesh's Avatar
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    you might try 3/8" screws... and more of them...

    I have also made my own studded tires...



    Posted a photoset on flickr on how to duplicate them...

    I found that 1/2 inch screws were too long... and ended up using 3/8" #8 screws instead. I had to use 3 boxes (100ct) of screws to do both tires. However, I wasn't able to get the rear tire on the wheel, so I went back to knobbies for the rear (which worked fine on the ice). Use some heavy duty leather garden variety gloves to protect your hands when mounting the tire.

    Studs only work well on ice, slush bogs down everything.

    Rubberside down!
    K'Tesh

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