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Bike Fit for TT Bike

  • 31-03-2015 10:58am
    #1
    07Lapierre
    Registered Users, Registered Users 2 Posts: 8,310 ✭✭✭


    Just curious...in what way does a Bike fit for a TT bike differ from a road bike?


Comments

  • #2
    Beasty
    Administrators, Social & Fun Moderators, Sports Moderators Posts: 78,393 Admin ✭✭✭✭✭Beasty


    Saddle height is generally the same. I personally move my saddle forward as far as I can get while remaining UCI legal (5cm behind BB) and keep it horizontal

    TT bars are supposed to be horizontal. I will move them 1-2cm lower (take out the spacers) with the TT bars. Again in terms of how far the TT bars protrude I simply aim at keeping it UCI legal (which for me is no more than 80cm in front of the BB)

    Interesting to see the way Ryan Mullen has his set up - he has his arm rests raised the maximum 10cm and as a result his head is almost touching his arms, making him look very aero. Not sure I could ever get comfortable in that position though.


  • #3
    07Lapierre
    Registered Users, Registered Users 2 Posts: 8,310 ✭✭✭07Lapierre


    So if your getting a TT bike a good start would be to choose frame size the same as your Road bike?


  • #4
    lennymc
    Registered Users, Registered Users 2 Posts: 6,460 ✭✭✭lennymc


    My TT bike is the same size as my road bikes.

    I see a lot of TT bike purchases in fingal in the future.... :)


  • #5
    07Lapierre
    Registered Users, Registered Users 2 Posts: 8,310 ✭✭✭07Lapierre


    thanks for the Info...yeah might invest in a TT bike someday.


  • #6
    couerdelion
    Registered Users, Registered Users 2 Posts: 2,910 ✭✭✭couerdelion


    07Lapierre wrote: »
    So if your getting a TT bike a good start would be to choose frame size the same as your Road bike?

    My TT bike is smaller than my road bike - but I could probably have got the same.


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  • #7
    Beasty
    Administrators, Social & Fun Moderators, Sports Moderators Posts: 78,393 Admin ✭✭✭✭✭Beasty


    My TT/pursuit bikes a are size smaller than road bikes to give me a lower "front-end"

    ("back-end" remains way too un-aero mind:pac:)


  • #8
    mossym
    Moderators, Sports Moderators Posts: 8,766 Mod ✭✭✭✭mossym


    couerdelion wrote: »
    My TT bike is smaller than my road bike - but I could probably have got the same.

    going a size smaller on the TT bike is pretty common

    i ride a 57/58cm road bike, but my TT bike is a 56.


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