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Buying a bike. Size question.

  • 10-02-2010 8:02pm
    #1
    Nephew
    Closed Accounts Posts: 1,340 ✭✭✭


    I'm thinking of buying my first bike in about 13 years in order to lose some weight.

    I was checking out bikes on the Halfords site because I can get a 15% discount there but they don't seem to have too many bikes for tall guys like me who are around the 6'5 mark.
    According to the various size charts I should get a bike with a 62cm frame, is that just a general recommendation or is that the optimum size for rider comfort?

    Hopefully, you guys can give me your opinions on a couple of bikes that caught my eye. I'd be willing to spend up to €500.

    Cube LTD CLS Comp 2009
    http://www.chainreactioncycles.com/Models.aspx?ModelID=30599

    Felt QX70 Mens 2010
    http://www.hargrovescycles.co.uk/products.asp?partno=37505

    Does suspension actually make much of a difference over rigid bikes?

    Thanks


Comments

  • #2
    jamesomara
    Closed Accounts Posts: 90 ✭✭jamesomara


    What kind of bike do you want mountain or road?

    For either stand over the top tube and straddle the bike with your feet on the ground.

    For a roadbike, you should be able to lift the bike at least one inch, some people prefer more. For a mtb you need at least two inches, again, some prefer more.

    Ride the bike and ensure that your knees do not hit the handlebars: tops or drops.

    Balance yourself against a wall and check your toe overlap. Put your left foot at the 3:00 position (viewed crankside) - that is, get your right toe as far forward as possible: not at the top, not at the bottom, and not trailing (middle of power stroke on the right hand/drive side. Now turn the wheel to see if you can hit your toes with the back of the wheel (counter clockwise as viewed from above). A little toe overlap is okay, but not too much.

    If you are going to be in and out of city traffic, there might be an issue. However, you usually ride in a straightline so rubbing isn't such a big deal.


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