Mtbr's 2016 Winter Biking GearReviews and Roundups

FAT BIKES

WINTER APPAREL

TRAINERS

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  1. #1
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    2015 Trans Am...down to 120mm travel

    So, I have my eyes on a small 2015 Trans Am for a good price. But I really want less travel and less slack HA. Like say 120mm fork and 68.5-69 HA.

    Would a 120mm travel fork do this for me or would it wreck the geo? Or can I get a Angleset to do this for me?

    Thanks for all input.

    Miggy

  2. #2
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    Reputation: smilinsteve's Avatar
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    Isn't the recommended fork a 130 anyway? 10 mm is nothing.

  3. #3
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    I just looked at the geo specs for the 27.5 Trans Am and they give the A to C spec as 522 mm which is a 120 fork. This odd because on the complete bike comes with a 130 fork.

    But anyway, it looks like your head angle will be 67.5 with a 120 fork. If you want an XC bike, this isn't it.

  4. #4
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    Thanks for the input.

    I'm not looking for a strictly XC race bike, but more of a trail/aggressive XC hardtail. The Trans Am just happends to be available for a good price. I might just end up getting a Kona Explosif, but I haven't found any good deals on it as of late.

  5. #5
    eci
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    Get the trans am. i purchased a 29" medium frame, have a 120 revelation and its right about 68* head angle. personally i set mine up single speed and it is a complete blast.

  6. #6
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    Quote Originally Posted by MiggySawdust View Post
    Thanks for the input.

    I'm not looking for a strictly XC race bike, but more of a trail/aggressive XC hardtail. The Trans Am just happends to be available for a good price. I might just end up getting a Kona Explosif, but I haven't found any good deals on it as of late.
    I agree with snowskils, it might not be the exact geo you are looking for but you would probably love it.

  7. #7
    Rocks belong
    Reputation: 06HokieMTB's Avatar
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    Also, keep in mind you can't directly compare HTA between a F/S and a hardtail (if, by chance, that's where you're getting your desired 68.5* HTA from).

    When you sit on a hardtail and the fork sags, the HTA increases (as the rear end is rigid and doesn't squat/sag under your weight)

    For example:

    My Surly Instigator has a static 66.8* HTA, my Ibis HD3 has a static 66.5* HTA.

    The Ibis 'feels' more slack than the Surly

    My point? If you have a HTA that you like on a F/S, a hardtail will need to have a slacker (static, unsagged) HTA to have the same feel.

    Disclaimer:
    This is merely discussing head tube angle (HTA). Clearly many other things have an effect on how a bike 'feels' and rides.

    Disclaimer 2:
    If you're comparing HTA against a hardtail that you know and like, then ignore everything that I just typed above
    '15 Ibis HD3
    '15 Surly Instigator 650b & 26+
    '13 SC Juliana 650b'd (wife's)

  8. #8
    Uncle
    Reputation: Entrenador's Avatar
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    This would lower the bottom bracket height. On some frames this could mean unwanted pedal strikes (couldn't ride my Yelli Screamy at 100mm fork for this reason), but I wouldn't expect this to be an issue on the TransAm.
    check out my Rockshox stuff for sale: http://classifieds.mtbr.com/showprod...product=101005

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