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  1. #1
    roadbike newbie
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    How do you determine the correct handlebar length?

    Hi, I did a search on this forum but couldn't find a thread that tells me how to choose the correct handlebar length. Do you measure center to center of the shoulder length? What happens if it is shorter or longer than the correct size/length? Is there a way to tell if the handlebar I currently have is the right length or not but gripping the handlebar? Thank you for the help.
    Bianchi 2005 Vigorelli(51cm): Deda Newton stem 80mm/26, Nitto 186STI handlebar(c-c 38cm), Mavic Ksyrium ES Wheelset, Veloflex Pave tires, Shimano Ultegra 6610 Pedals.

    Trek 2007 Madone SL 5.2(50cm):Deda Newton stem 80mm/31.8, Deda Supernatural (o-o 42cm),Mavic Ksyrium ES Wheelset, Veloflex Pave tires, Shimano Ultegra 6620 Pedals.

  2. #2
    . botto's Avatar
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    length or width?

    if you mean the latter, then it varies from brand to brand. some give you the center to center measurements, some the side to side.

  3. #3
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    width - ususally the width of your shoulders

  4. #4
    Mr. Dopolina Bob Dopolina's Avatar
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    Measure from the joint in your shoulder where the ball goes into the socket (It's a little pointy ball) across your chest to the other one. Most people ride a 42 c-c bar. Unless you are particularily burly or petite, it is a pretty safe default size.

  5. #5
    roadbike newbie
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    Thank you folks. From what I read and heard, it looks like I should measure from shoulder, center to center. (from socket to socket).
    Bianchi 2005 Vigorelli(51cm): Deda Newton stem 80mm/26, Nitto 186STI handlebar(c-c 38cm), Mavic Ksyrium ES Wheelset, Veloflex Pave tires, Shimano Ultegra 6610 Pedals.

    Trek 2007 Madone SL 5.2(50cm):Deda Newton stem 80mm/31.8, Deda Supernatural (o-o 42cm),Mavic Ksyrium ES Wheelset, Veloflex Pave tires, Shimano Ultegra 6620 Pedals.

  6. #6
    Senior Member unbelievably's Avatar
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    Quote Originally Posted by Bob Dopolina
    Measure from the joint in your shoulder where the ball goes into the socket (It's a little pointy ball) across your chest to the other one. Most people ride a 42 c-c bar. Unless you are particularily burly or petite, it is a pretty safe default size.
    I've been measured for a 44cm bar.
    Never considered myself burly...
    Kinda funny for me to be joining the ranks of the burly.
    The pleasures which we most rarely experience give us the greatest delight.

  7. #7
    Junior Member ibex's Avatar
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    To find a good handlebar size you measure from the bony "bumps" on the end of your shoulders. This was taken from www.wrenchscience.com's fit system:

    "Shoulder Width - This measurement determines the width of your handlebars. The ideal handlebar size will provide comfort, an aerodynamic position and excellent steering balance of the bike.
    wrench science
    Measure your shoulder width by the outside of the bony protrusions at the top of your shoulders. You want to have the tape measure running in a straight line and not wrapping around your back. (See photo below)
    "


    The wider your bars (To an extent) the the more open your chest is to breathe better and also allows for more leverage when pulling on the bars (eg. on a climb). But you lose aerodynamics with a wider bar. With a more compact bar, you're more aerodynamic but you lose the other two.

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