How to Convert a Mountain Bike to a Single Speed

Get back to basics with a single speed. Who needs gears anyway?

Instructions

    • 1

      Remove your derailleurs, derailleur cables, shifters, etc. Hey, your bike just lost about two pounds!

    • 2

      Convert your cranks. Remove two chainrings. Bolt the middle chainring back on with single or 'shorty' chainring bolts.

    • 3

      Convert your freehub. Remove your cassette and replace it with spacers and a single cog.

    • 4

      Consider building a wheel with a single speed hub. It'll look better.

    • 5

      Get a chain tensioner if you have vertical dropouts. Several companies make them for single speeds. Or just convert your old rear derailluer.

    • 6

      Understand that a 'pure' single speed frame has vertical dropouts. This means you won't need a chain tensioner, so the bike will have a nice, clean look. However, you will need a solid axle and locknuts to hold your wheel in place.

    • 7

      Shorten your chain to the appropriate length.

    • 8

      Adjust the chain tension. You want a bit of slack in your chain, but not too much.

    • 9

      Check your chainline. Your front chainring must line up with the cog in back or your chain will fall of from time to time.

    • 10

      Go ride.

Tips & Warnings

  • Most single speeders prefer a 2 x 1 gear ratio, fat tires, and wide bars for out-of-the-saddle climbing leverage.

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Comments

  • Mar 14, 2006
    You can also add a down hiller's bash guard in place of your biggest cog so you can use the original chain ring bolts.
  • Dec 12, 2005
    Vertical, the standard for geared bikes, usually requires a chain tension device. Horizontal (track) style allows you to move the wheel forward and back along the horizontal plane, allowing for tension adjustments.
  • Dec 12, 2005
    Vertical, the standard for geared bikes, usually requires a chain tension device. Horizontal (track) style allows you to move the wheel forward and back along the horizontal plane, allowing for tension adjustments.

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