Which bike to convert to single speed?- Mtbr.com
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  1. #1
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    Which bike to convert to single speed?

    I've got two older mountain bikes and am considering converting one of them to a SS.

    1990 Specialized Stumpjumper Comp (rigid)
    1996 Cannondale F1000 (hardtail)

    Both bikes are in decent shape and occasionally ridden. Neither has disc brakes.

    Does it make sense to spend the money to do the conversions? Or should I start out with something newer?

    Assume I'll have to purchase new cranks and rear wheel for either one.

    Both would need new brake levers (convert to v-brakes at same time?) as the current setups are integrated shifter/brake lever.

    The Cannondale is a great climbing bike but probably needs a replacement Headshox. Anyone convert theirs to a SS? Imagine it would be a pretty nice ride.

    Just looking for opinions - any/all feedback is welcome.

  2. #2
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    I did a 96 Trek 7000. The conversion kit with a nice cog and tensioner was under $50 so its certainly worth it to try making on a SS. Just remove the extra chainrings and swap the cog in place of the cassette. No need for new cranks or a new wheel.

  3. #3
    PTV
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    The Cannondale would be sweeeeet ! I'm guessing the Stumpy is steel - right ? Might be nice too... But do the Cannondale.... it'll be a sweet ride...

  4. #4
    Fat boy Mod Moderator
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    which do you prefer?...that i'm sure will answer which you should SS...

    having never ridden either... i like the concept of the headshox (never ridden a springy bike so thats just me talking out my arse haha...
    - Surly Disc trucker
    - '82 trek 560 roadie

  5. #5
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    Is the Stumpjumper a Freewheel or cassette? I don't know when they switched.. Cassette will be easier to convert, just get the kit that they sell on ebay for $20. It has three cogs, a spacer kit and a tensioner. Just take of the outside and inside chainring. With a freewheel you need to install a BMX frewheel, flip around the axle spacers and redish the wheel. Then take the two unnecessary chainrings off and hope your chainline never changes.(mine did and it has a cassette wheel on it now).

  6. #6
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    A friend converted my 1998 Cannondale F400 to a singlespeed.

    My buddy built up the rear wheel with an Eno eccentric hub and dropped the Headshock fork for a Surly 1X1 fork. In doing that I had to get a reducer headset, which I assume you will need as well. Cane Creek makes them as does Chris King and others I'm sure. Ran it with v-brakes.

    The Cannondale was a great conversion. I even had it going as a 69er for a little bit before building up a true 29er. Now the Cannondale is back to 26" wheels and is my commuter. Love the frame and can't bear to get rid of it. Pre-bankruptcy and made in America.

  7. #7
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    Many thanks to all for the responses and suggestions.

    I think I'll get a conversion kit and try it out on the Cannondale. If all goes well - I'll spend a little more $$ and do it right (rear wheel & brakes, cranks/fork in the future).

    Here's some extra info to answer questions and confirm assumptions:

    Yes, the Stumpy is steel (Prestige Tubing). Rear is XT freehub (7-speed).

    I do prefer the Cannondale, mainly because of light weight. It will be lighter still without gears.

    The rear on the Cannondale is LX freehub (8-speed).

    Anybody have a favorite brand for the conversion kit? Gusset, Forte?

  8. #8
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    I used the Forte kit on my wife's old (like 1992?) DiamondBack Sorrento and its been fine. Im sure others here will tell you to bling it out, though.

  9. #9
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    Depending how cheap you want to go, you can probably detach the shifters from the brake levers. Looks a bit funky but, but funky is good when you're dealing with old SS conversions!

  10. #10
    Birdman aka JMJ
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    Like the Forte kit

    Quote Originally Posted by manida
    I used the Forte kit on my wife's old (like 1992?) DiamondBack Sorrento and its been fine. Im sure others here will tell you to bling it out, though.
    I've got the Forte kit on my Soma Groove. Works pretty well - I've never had a chain drop or skip, currently running 32:16 on that bike.

    No need for a SS crankset - just run shortened chainring bolts and a SS ring (Salsa) where the middle chainring was. I'm running a Salsa 32t ring with my Race Face Turbine cranks with no issues.

    I know you're going with the Cannondale, but I'd recommend that sweet steel Stumpy for SS duty, rigid or hardtail.

    Good luck - JMJ

  11. #11
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    Project Complete w/pics

    Well, the Cannondale F1000 SS has been up and running for a week or so.

    All I can say is that I LOVE this bike. My Yeti ASR-SL has been hanging up in the garage and barely ridden for the last 3 weeks.

    As always, this is worthless without pictures....

    <img src="https://www.groudan.net-a.googlepages.com/f1000-ss.jpg/f1000-ss-medium;init:.jpg"

    <img src="https://www.groudan.net-a.googlepages.com/f1000-ss-drivetrain.jpg/f1000-ss-drivetrain-medium;init:.jpg"

    <img src="https://www.groudan.net-a.googlepages.com/f1000-ss-front.jpg/f1000-ss-front-medium;init:.jpg"

    EDIT: sorry about the huge image link, go here to see full size:
    https://www.groudan.net-a.googlepages.com/bikepage
    Last edited by ajg2560; 09-07-2008 at 09:38 PM.

  12. #12
    Fat boy Mod Moderator
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    holy huge pictures batman...

    kewl bike though ... how old is it?... always loved how c-dales looked
    - Surly Disc trucker
    - '82 trek 560 roadie

  13. #13
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    Its a 1996, not much original left on it beside frame/fork.

  14. #14
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    nice looking set up.

    have you tried taking a link out of the chain or even running a half link? the chain looks a little slack as its set up right now. it looks like it might be perfect with either a whole link taken out, or a link taken out and a half link put in its place.

  15. #15
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    I fought with the chain tension for a while.

    The current setup is running with a half-link. Without the half-link (and tensioner) it was too tight to get the wheel into the drops, but really close.

    I'm considering getting a bigger cog to help out on steeper climbs (current 34:18) - might try going with 34:21.

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