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  1. #1
    Senior Member
    Join Date
    Jul 2008
    Location
    NEBRASKA
    My Bikes
    2001 Trek 800 Singletrack (single speed for singletrack and chores), 2007 Giant TranSend DX, 1973 Schwinn Varsity ss
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    Single Speed MTB

    I have an old Trek 800 Singletrack that I'm better off keeping than selling. I want to turn it into a single speed. I want a single speed, winter powerhouse with fenders. Snow tank. I'm not willing to spend a lot of money. For clarification, I won't be relying on this thing everyday during the winter.
    Freewheel removal: 5-10
    Freewheel (cheapo): 10-15
    Chain: 10

    So:
    Take of extra junk.
    Put on a freewheel.
    Shorten chain length or get a new one.

    Questions:
    How do I decide which existing chain ring to use? How do I reinstall it?
    Since it has vertical dropouts, do I just then add a chain tensioner as well? If so, should I just use my old rear derailleur? If not, then am I presumably fine with just freewheel, cranks, chain, chain ring?

    Thanks,

    Max
    "it will be a great day when our schools get all the money they need and the air force has to hold a bake sale to buy a bomber"

  2. #2
    8 Full Hours of Sleep roastbeef's Avatar
    Join Date
    Jul 2008
    Location
    Hayward, CA
    My Bikes
    IRO Mark V, Yeti 575, Italvega Nuovo Sport
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    you can use which ever chainring you please. i would probably use the second. you should be able to take the other two off with and allen wrench, and slip them off by using a crank puller(extractor) to remove your cranks.

    you can buy something like this to convert with, but they seem a little sketchy for $20. maybe you can hunt around to find a better one.

    finally, you can buy something like this to keep your chain tensioned.

  3. #3
    BFSSFG old timer riderx's Avatar
    Join Date
    Apr 2001
    Location
    Fredrock
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    Single Speed Outlaw
    Riding Bikes and Drinking Beer.

  4. #4
    Senior Member Adam G.'s Avatar
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    Aug 2008
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    I have a Trek 930 that I just converted to a single speed. I used the middle chainring, and 16t cog, I had to get a new back hub with about 6 spacers in order to have a straight chain line, I bought a chain tensioner as well. I was planning on doing this all myself but ran into problems so I had my LBS hook it up. It cost me about $100 for everything.

  5. #5
    Senior Member
    Join Date
    Jul 2008
    Location
    NEBRASKA
    My Bikes
    2001 Trek 800 Singletrack (single speed for singletrack and chores), 2007 Giant TranSend DX, 1973 Schwinn Varsity ss
    Posts
    108
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Thanks Guys
    "it will be a great day when our schools get all the money they need and the air force has to hold a bake sale to buy a bomber"

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