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Correct bike size

  • 17-05-2010 10:47pm
    #1
    Ispin
    Registered Users Posts: 44 ✭


    I'm picking up a Boardman Comp racer next week from Halfords. Just looking for a bit of advice regards correct size, avail in 4 sizes from 54cm, 55.5, 57, and 58.5mm top tube dim, 50, 53, 55.5 and 57.5 seat tube (s,m,l, xl). I'm 6'1/2" tall. Thanks


Comments

  • #2
    Lemag
    Registered Users, Registered Users 2 Posts: 2,508 ✭✭✭Lemag


    At a guess I'd say the 57.5 but every bike model is different and you'd also have to take the measurements of your inseam and reach into account.


  • #3
    Lumen
    Registered Users, Registered Users 2 Posts: 31,142 ✭✭✭✭Lumen


    Assuming the one with the 57cm top tube is "horizontal equivalent", probably that one, but check some size charts (e.g. this).

    It depends a lot on how you like your saddle position.

    If you're new to cycling a road bike and not already ninja-fit you may need to move the saddle back initially and use a short stem (in order to unload your arms and reduce handlebar drop), then move the saddle forward and up (with a longer stem) as your structural fitness improves.

    So the most important thing is to buy a bike that initially feels about right with a normal length stem (110-120mm) and neutral saddle position, to give you the maximum scope for tweaking position.


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