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Thread: Fork shopping

  1. #1
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    Fork shopping

    After renting a bike over the weekend I decided that my Rock Shox Quadra 10 needs to go. I am planning on getting a new bike next season but would like to find something better for this bike now. My question is how can I tell what size fork I need? Mine seems to have very little travel but I know there are other things to consider also.

    I searched on ebay and found a few that may work.

    http://cgi.ebay.com/Rock-Shox-SID-Wo...QQcmdZViewItem

    http://cgi.ebay.com/Titanium-Rock-Sh...QQcmdZViewItem

    http://cgi.ebay.com/Rock-Shox-Pilot-...QQcmdZViewItem

    http://cgi.ebay.com/Rock-Shox-Judy-C...QQcmdZViewItem

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    check with your bike's mfg to see what they recommend...the wrong size will alter yuour head angle...perhaps not for the better...under/oversteer will become an issue and handling could become dangerous

    you have to be carefull here

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    Quote Originally Posted by jm01 View Post
    check with your bike's mfg to see what they recommend...the wrong size will alter yuour head angle...perhaps not for the better...under/oversteer will become an issue and handling could become dangerous

    you have to be carefull here

    Thanks, I emailed GT and am waiting for a response. It would be great if I could grab one of those forks for under $50. Anything has to be better than what I have

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    Quote Originally Posted by 01amberfirewv View Post
    Thanks, I emailed GT and am waiting for a response. It would be great if I could grab one of those forks for under $50. Anything has to be better than what I have
    Is it an older or new GT?...company has changed ownership and Pacific Cycle (Dorel) doesn't support the old products.

    good luck

    EDIT: this may help

    http://www.airfreetires.com/Specs/St...mica&Year=1999

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    Also, remember that every 25mm changes the angle by one degree, so going to a 2" travel fork will create a severe oversteer situation, a 4" travel will understeer (also, you may not have down tube clearance to do this)...5" would be silly and you may end up flipping over the bars
    Last edited by jm01; 10-09-07 at 02:35 PM.

  6. #6
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    Quote Originally Posted by 01amberfirewv View Post
    After renting a bike over the weekend I decided that my Rock Shox Quadra 10 needs to go. I am planning on getting a new bike next season but would like to find something better for this bike now. My question is how can I tell what size fork I need? Mine seems to have very little travel but I know there are other things to consider also.

    I searched on ebay and found a few that may work.

    http://cgi.ebay.com/Rock-Shox-SID-Wo...QQcmdZViewItem

    http://cgi.ebay.com/Titanium-Rock-Sh...QQcmdZViewItem

    http://cgi.ebay.com/Rock-Shox-Pilot-...QQcmdZViewItem

    http://cgi.ebay.com/Rock-Shox-Judy-C...QQcmdZViewItem
    I was just going to say save the money and put it towards your new bike, but the prices of those forks are crazy. Expect that to increase after a couple of days though.

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    Old School Rad mtnbiker66's Avatar
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    Quote Originally Posted by jm01 View Post
    .......5" would be silly and you may end up flipping over the bars

    How so?
    Like a circus monkey on a stolen Harley......

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    Quote Originally Posted by jm01 View Post
    Is it an older or new GT?...company has changed ownership and Pacific Cycle (Dorel) doesn't support the old products.

    good luck

    EDIT: this may help

    http://www.airfreetires.com/Specs/St...mica&Year=1999

    Thanks, I'll check that site out. BTW It is an older GT (probubly 1994)

  9. #9
    Senior Member BLIZZ's Avatar
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    Quote Originally Posted by jm01 View Post
    Also, remember that every 25mm changes the angle by one degree so going to a 2" travel fork will create a severe oversteer situation, a 4" travel will understeer (also, you may not have down tube clearance to do this)...5" would be silly and you may end up flipping over the bars
    You bet..... 5" would cause way to much understeer and you would for sure flip over the bars.

    Understeer? .....Are we talking about a 2 wheel bike fork?
    Listening to those NASCAR boys again aren't you.
    I'm not totally useless....I can be used as a BAD example.

  10. #10
    Old School Rad mtnbiker66's Avatar
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    Quote Originally Posted by BLIZZ View Post
    You bet..... 5" would cause way to much understeer and you would for sure flip over the bars.

    Understeer? .....Are we talking about a 2 wheel bike fork?
    Listening to those NASCAR boys again aren't you.
    Man I'll tell ya, the MtnDew/Burger King/Copenhagen/Slick50/Purolator Dodge was a pushing like a dang dump truck. That thang wouldn't turn comming out of 4 and thats whay we knocked the wall down.
    Like a circus monkey on a stolen Harley......

  11. #11
    Senior Member BLIZZ's Avatar
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    Quote Originally Posted by mtnbiker66 View Post
    Man I'll tell ya, the MtnDew/Burger King/Copenhagen/Slick50/Purolator Dodge was a pushing like a dang dump truck. That thang wouldn't turn comming out of 4 and thats whay we knocked the wall down.
    LOL

    But seriously, when you talk about bike frame/fork geometry, you talk about head tube angles, rake and trail.{and yes the last two can change, in effect, as a fork goes through its travel**.
    Each of these things can change the way a bike handles, but handling characteristics of a bike have never been described as over and understeer.
    I'm not totally useless....I can be used as a BAD example.

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    Quote Originally Posted by 01amberfirewv View Post
    After renting a bike over the weekend I decided that my Rock Shox Quadra 10 needs to go. I am planning on getting a new bike next season but would like to find something better for this bike now. My question is how can I tell what size fork I need? Mine seems to have very little travel but I know there are other things to consider also.

    I searched on ebay and found a few that may work.

    http://cgi.ebay.com/Rock-Shox-SID-Wo...QQcmdZViewItem

    http://cgi.ebay.com/Titanium-Rock-Sh...QQcmdZViewItem

    http://cgi.ebay.com/Rock-Shox-Pilot-...QQcmdZViewItem

    http://cgi.ebay.com/Rock-Shox-Judy-C...QQcmdZViewItem
    You gotta narrow things up here. You got all kinds of RockShox for XC here ranging from Pilot which comes with 700 bucks bikes to SID which is a race fork.

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    Quote Originally Posted by achc View Post
    You gotta narrow things up here. You got all kinds of RockShox for XC here ranging from Pilot which comes with 700 bucks bikes to SID which is a race fork.
    Thats what I am tring to do I have been out of it for so long that I really don't know what to look for. I have even been thinking about just rebuilding the Q10 but then again I see that TI is going for about the same price as a rebuild kit. I just don't want something that is going to cause my bike to break (or break me for that matter).

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    Quote Originally Posted by 01amberfirewv View Post
    Thats what I am tring to do I have been out of it for so long that I really don't know what to look for. I have even been thinking about just rebuilding the Q10 but then again I see that TI is going for about the same price as a rebuild kit. I just don't want something that is going to cause my bike to break (or break me for that matter).
    What is your budget?

    I don't know how much Mag 20 is worth. But Judy & Pilot is simpler grading. SID will cost at least three times as much as a Judy. Judy is spring. SID is air for sure.

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    Quote Originally Posted by achc View Post
    What is your budget?

    I don't know how much Mag 20 is worth. But Judy & Pilot is simpler grading. SID will cost at least three times as much as a Judy. Judy is spring. SID is air for sure.

    Really low on this bike. I noticed that the opening prices on three of those were under $50. That would be great and I would think anything would be better than my Q10.

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