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  1. #1
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    Niner air 9 1-star: should I go S or XS

    Hello,

    I am almost 162cm tall with a 73.5 cm inseam. I am going to purchase the Niner air 9 1-star (AIR 9 1-STAR).

    According to their chart sizing, I fall between the sizes XS (14in) and S (15.5in), and it has been very hard to decide which one to go with.

    My previous bike was a Cannondale Fsi 2, recently stolen My ex-Caad was a size S (15.2 in).

    I put the 3 bikes in the sheet below:

    https://docs.google.com/spreadsheets...it?usp=sharing

    One can see that some of the measures of the XS Niner is actually bigger than the S Caad, the exception being the seat tube length, the standover height, and the reach (by only 4mm).

    So, it seems the XS Niner is more similar in measure to my previous Caad. I think the Niner S will be big for me, considering that Niner has a elongated geometry, and that my previous Caad was kind in the size limit for me.

    But will the Niner XS be too small?

    I would like a comfortable bike for long day rides, and I also enjoy climbing steep mountains. I go up the hills better than I go down.

    Does anyone can please give me some advice? Should I go XS or S?

    Thank you very much

    Cheers

  2. #2
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    We would recommend you buy a small. Remeber we updated the AIR 9 with newer geometry. So the toptube is longer but also the stem is much shorter. You will gain on standover over your old bike.
    .........

    Peace,
    Niner Bikes

    Follow all things Niner Bikes on Facebook!www.ninerbikes.com

  3. #3
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    Thank you very much for replying, Niner!

    "So the toptube is longer but also the stem is much shorter. You will gain on standover over your old bike."

    What is actually the length of the stem, in both sizes?

    Also, do you think with the S size I will be able to have my saddle staying higher than my handlebar?

    Cheers

  4. #4
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    Stem length is 50mm across both sizes S and XS

    Your saddle height in relation to your bars is going to vary depending on changes to stem rise, Bar rise, and crank length. The stack height is going to gain 40mm (based on your chart). You can compensate by going to a flat bar and zero rise stem.
    .........

    Peace,
    Niner Bikes

    Follow all things Niner Bikes on Facebook!www.ninerbikes.com

  5. #5
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    Thanks again for reply!

    I go S then!

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