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  1. #1
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    Building a RIP9, need a stem.

    Ok, how do you know what kind of stem to get? I'm not really sure about angles etc. should I just wait until I can sit on the bike?

  2. #2
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    Anyone?

  3. #3
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    Preference, some will say 110mm, others will say 50mm

  4. #4
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    Try to get some demos or see if your friend will let you borrow different ones so that you can see what works for you.
    IMHO you should not get anything longer than 80mm
    I went from a 90mm stem and 720mm bars to a 50mm stem with 780mm bars and I love it.
    I tried a 70mm stem with 750mm bars but I liked the 50mm better with the 780mm
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  5. #5
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    the best way is to get a bike fit in a bike shop.

    the cheap version is to test out a lot of bikes with different setups. most new bikes will be too much upright for easier handling and beginners.

    70 to 100mm is average if you are on a bike that fits. shorter or higher stems will feel better for extreme downhill as you can easier get your weight back and off the front tire. a longer reach favors getting lower in a pedaling position for flat or racing, also you are better able to choose where you want to put your body weight , thus effectively increasing your handling.

    this question should be asked in the beginners section.

  6. #6
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    Buy a cheap stem, between 80-100mm long with about 6 degrees of rise and start from there. Or alternately, you could look at your previous bike for clues. If it fit well, find out what the effective top tube (ETT) measurement is and the stem length. If the Niner has the same ETT, use the same length stem. If it's 10cm longer, get a 10cm shorter stem to compensate.

  7. #7
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    Syntace Megaforce 2 is a great stem and a perfect visual match on the RIP

  8. #8
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    Running an 80mm Niner RDO on my EMD. Love it, although I'm just 5'8'. If your reach is longer, you may feel more comfortable with a longer stem.
    Current Stable: 2011 Niner EMD, 2011 Vassago Jabba

  9. #9
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    I'm running a Thomson X4 110mm Zero degree stem on mine.

    I'm also using Salsa Pro Moto 11 degree bend bars that are cut to about 660mm width.

    I mention the bars because bar choice (bend and width) affects stem length. I need a longer stem with an 11 degree bar than I do with a 5 degree bar. I also find I need a shorter stem with wider bars.

  10. #10
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    I just put a Niner RDO stem on my wife's bike because it was light, had orange on it and I was able to get it in 80mm. It's a really nice part.
    Thomson is great and I have a Loaded USA on one of my bikes that I like very much.
    I like turtles

  11. #11
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    Need way more info from the OP to give any relevent responses IMO!

    What size bike and rider, and what type of riding..XC, AM,
    and what type of terrain is involved.
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  12. #12
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    Quote Originally Posted by blcman View Post
    Need way more info from the OP to give any relevent responses IMO!

    What size bike and rider, and what type of riding..XC, AM,
    and what type of terrain is involved.
    The bike is a medium RIP9. I ride more AM I guess... no racing.

    The terrain various from flat hard-packed dirt to large roots and rocks sticking out of the ground from one inches to four in some places.

  13. #13
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    Quote Originally Posted by NYrr496 View Post
    I just put a Niner RDO stem on my wife's bike because it was light, had orange on it and I was able to get it in 80mm. It's a really nice part.
    Thomson is great and I have a Loaded USA on one of my bikes that I like very much.
    I've been thinking of getting a niner stem or thompson. It would be nice to have things match I suppose.

  14. #14
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    How tall are you & what seat height do you run ??

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    Quote Originally Posted by Hiebs915 View Post
    The bike is a medium RIP9. I ride more AM I guess... no racing.

    The terrain various from flat hard-packed dirt to large roots and rocks sticking out of the ground from one inches to four in some places.
    Like muzzanic said, "how tall are you"?

    If you are say 5'10 on a med. Rip9 you would be good using a shorter stem,
    but if you were 6' you would be use a longer stem. This is very generalized but
    you would use the stem length that let's you fit the bike best for the type of riding you will be doing.
    I 'm 5'11 on a med. and use a 50 to a 70mm stem depending on how I feel and the trail I'm riding that day. My bars are 720mm low rise.

    I should add "what bar length are you using", cause that needs to be added to the fit equation
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  16. #16
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    Quote Originally Posted by blcman View Post
    Like muzzanic said, "how tall are you"?
    If you are say 5'10 on a med. Rip9 you would be good using a shorter stem,
    but if you were 6' you would be use a longer stem. This is very generalized but
    you would use the stem length that let's you fit the bike best for the type of riding you will be doing.
    I 'm 5'11 on a med. and use a 50 to a 70mm stem depending on how I feel and the trail I'm riding that day.
    I'm about 5'11''

  17. #17
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    Quote Originally Posted by Hiebs915 View Post
    I'm about 5'11''
    Go with a 50mm stem to start with if your bars are wider than 700mm.
    Or 70mm for 680mm widths.

    Good choice on the Rip9. You'll love it!
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  18. #18
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    Quote Originally Posted by Hiebs915 View Post
    I'm about 5'11''
    My guess would be around 90mm, 6deg rise.

    That said what bar do you run & what is your seat height.

    Do you use a set back post ?

  19. #19
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    Quote Originally Posted by muzzanic View Post
    My guess would be around 90mm, 6deg rise.

    That said what bar do you run & what is your seat height.

    Do you use a set back post ?
    I would have to so no go for a 90mm if the bars are wider than 700mm.

    It made my Rip steer like a bus...very slow!
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  20. #20
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    Quote Originally Posted by blcman View Post
    I would have to so no go for a 90mm if the bars are wider than 700mm.

    It made my Rip steer like a bus...very slow!
    Yes it's all guess work because he just isn't giving the info to get answers.

    I have been trying to get a seat height & seat post setup to get some idea of were he sits on the bike, Also how wide the bar is.

    I'm bang on 6 ft & had a Lge & med Rip9 & like the Lge better for me.

    He is 1/2 way between my height & yours so neither of our setups will be right for him IMO

  21. #21
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    Quote Originally Posted by muzzanic View Post
    Yes it's all guess work because he just isn't giving the info to get answers.

    I have been trying to get a seat height & seat post setup to get some idea of were he sits on the bike, Also how wide the bar is.

    I'm bang on 6 ft & had a Lge & med Rip9 & like the Lge better for me.

    He is 1/2 way between my height & yours so neither of our setups will be right for him IMO
    Muzzanic, what was your favorite setup for the Medium vs. Large frame?
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  22. #22
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    Quote Originally Posted by blcman View Post
    Muzzanic, what was your favorite setup for the Medium vs. Large frame?
    I didn't have a favorite setup on med, sold it after about5 rides.

    I had more problems keeping the front wheel on the ground on very steep climbs & on big roll over drops the bike tended more to want to send me over the bars.

    But I run with a 800mm seat height so someone my height that runs there seat lower than I do & doesn't carry as much of there weight up around there shoulders as me would suit the med better than I did.

    With Lge I run stright dropper post & 70mm stem & between 685 & 710 bars.

    Not that at my seat height with stright post my seat sits bake like a set back post at much lower height.

  23. #23
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    I don't have a seatpost yet, or a seat, so I don't really know those things yet. I'll be buying both soon though. I was just going off my old bike for now. My old bike had a 5+ degree 710mm handlbar I believe. My new handlebars are easton EC70's I believe.

  24. #24
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    Sounds to me like you should just buy a cheap 70mm stem to get started, expecting to eat the cost.

    Don't buy the nice stem until you know exactly what you want. If that size doesn't work and if you have a decent relationship with a local shop, you could swing by an see if you can sweet talk them in to letting you borrow a spare stem from their parts bin until you've figured it out.

    I've played around with stem lengths on new bikes before. If you stick with the sport you'll eventually build up a collection of old or spare parts in a box. I have a bunch of stems, saddles, seatposts, etc. in mine. Look at it this way - that'll make setting up your next bike easier.
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  25. #25
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    Quote Originally Posted by evasive View Post
    Sounds to me like you should just buy a cheap 70mm stem to get started, expecting to eat the cost.

    Don't buy the nice stem until you know exactly what you want. If that size doesn't work and if you have a decent relationship with a local shop, you could swing by an see if you can sweet talk them in to letting you borrow a spare stem from their parts bin until you've figured it out.

    I've played around with stem lengths on new bikes before. If you stick with the sport you'll eventually build up a collection of old or spare parts in a box. I have a bunch of stems, saddles, seatposts, etc. in mine. Look at it this way - that'll make setting up your next bike easier.
    +1 This!
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