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single speed build

Discussion in 'Cross Country, All Mountain & Trail Riding' started by SHOX, May 19, 2010.

  1. SHOX

    SHOX Chimp

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    ive been riding trials for about 5 years and have become bored with my michican trials... there is no vetical climb so i had the idea of going single speed. i still want to keep my regular bike for when i go to places with more vetical climb. so what i want is some tips, pointers and help on parts and anything else i might need to keep in mind. i would like to build a single speed from ground up. could some of you please link me a good website that sells good parts. and any reconmandations onn frames, forks, cranks ect...

    thanks for reading all this, sorry it was so long:)
     

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  2. slowitdown

    slowitdown Monkey

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    The best way to do it on a budget is to not go looking for parts that people call "single speed" parts unless they are absolutely required for a singlespeed.

    The only thing that a singlespeed uses different from a geared bike is the rear cog. You can use a regular rear wheel (cassette hub for a geared setup) and then use spacers plus a single cog.

    You can use any crank you want. Any 3-ring crank can be used for singlespeed, you will just want to use a simple chainring without ramps/pins for shifting. Examples here:

    http://www.jensonusa.com/store/sub/129-Chainrings.aspx?s=1388

    Choose your favorite on-line retailer (PricePoint, JensonUSA, Universal Cycles, etc) and look for bargains.

    If you use a gearie cassette hub, you'll need something like these sample cogs:

    http://www.jensonusa.com/store/sub/128-Cassettes+And+Freewheels.aspx?s=1541

    You will also need a chain tensioner if you are converting a geared bike frame. Here's a sample:

    http://www.jensonusa.com/store/product/RD707Y01-Surly+Singleator.aspx

    If you want to build a singlespeed specific rear wheel, use one of these kinds of hubs... this is just a sample:

    http://www.jensonusa.com/store/product/HU408B05-Surly+New+Disc+1-Speed+Rear+Hub.aspx

    For a singlespeed hub like that Surly example that uses a thread-on freewheel, you'll need a freewheel like this:

    http://www.jensonusa.com/store/product/CS409C04-Acs+Bmx+Freewheel.aspx

    Everything else can be like a regular mountain bike. I suggest using a 7-speed or 8-speed chain.

    Complete bikes can be bargains if you shop around. Here's an example:

    http://www.jensonusa.com/store/product/BI272F00-Jamis+Dragon+One+Bike+09.aspx

    Those links are all to JensonUSA, but you can find stuff at other places. When I buy online I buy from Jenson, Universal and PricePoint mostly. You can also find values on eBay if you know what you're buying.

    I would try starting with a 2:1 ratio, example: 32 teeth chainring up front, 16 teeth freewheel or cog out back.
     
    #2 -   May 26, 2010
    Last edited: May 26, 2010