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  1. #1
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    Reason for elastic hems in bike shorts' legs?

    Does anyone know why bike shorts have elastic at the hems(?) of the legs?
    Is there an advantage to constricting/compressing the thighs?
    TIA.

  2. #2
    Senior Member MRT2's Avatar
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    Keeps the shorts from riding up while riding. As for compression, there are multiple benefits for biking. Tight fitting lycra wicks moisture away from the skin, reducing chaffing and that nasty clammy feeling you might get wearing cotton shorts and underwear while biking. Some also claim the compression itself improves athletic performance, though I have read some articles that dispute that claim.

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    Are you talking about the grippy rubber elastic on the inside of the hem? That's so they don't ride up like MRT said.

  4. #4
    Senior Member Looigi's Avatar
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    There are shorts/bibs without them. They have a long sleeve/cuff that keeps the bottom of the leg straight. Some Hincapie bibs are made like this as are a few others. The thing is, without gripper strips, I find I can't keep gels tucked under the cuff of the leg without the risk of losing them.

  5. #5
    Senior Member Aunt Roady's Avatar
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    [makes note never to bum a gel off of Looigi . . .]

  6. #6
    Packfodding 3 caloso's Avatar
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    My team kit is Hincapie. I have been really pleased with it, especially the no-gripper shorts.
    Cyclists of the world, unite! You have nothing to lube but your chains!

  7. #7
    SuperGimp TrojanHorse's Avatar
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    Quote Originally Posted by Looigi View Post
    I can't keep gels tucked under the cuff of the leg
    Blech, 100 degree gels.

  8. #8
    Senior Member eja_ bottecchia's Avatar
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    Quote Originally Posted by TrojanHorse View Post
    Blech, 100 degree gels.
    I hate to think what would happen if the bag tears....YIKES!
    My current stable:

    1989 SLX Bottecchia (Campy Athena 11s)
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  9. #9
    Packfodding 3 caloso's Avatar
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    Quote Originally Posted by TrojanHorse View Post
    Blech, 100 degree gels.
    How much cooler do you think it would be in a jersey pocket?
    Cyclists of the world, unite! You have nothing to lube but your chains!

  10. #10
    Senior Member rumrunn6's Avatar
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    they hold the knee/leg warmers in place
    cycling is like baseball ~ it doesn't take much to make it interesting

  11. #11
    Senior Member Mobile 155's Avatar
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    Quote Originally Posted by rumrunn6 View Post
    they hold the knee/leg warmers in place
    +1
    Life is like riding a bicycle - in order to keep your balance, you must keep moving. ~Albert Einstein.

  12. #12
    Senior Member cyclist2000's Avatar
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    Quote Originally Posted by Mobile 155 View Post
    +1
    +1
    I don't do vintage, I bought them new, rode them, kept them. Now they are just old bikes
    http://www.flickr.com/photos/bustercrb/sets/72157623483647522/

  13. #13
    Old fart JohnDThompson's Avatar
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    Here I thought it was to prevent wasps from flying up your shorts...

  14. #14
    apocryphal sobriquet J.C. Koto's Avatar
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    Quote Originally Posted by JohnDThompson View Post
    Here I thought it was to prevent wasps from flying up your shorts...


    that's as good a reason as any IYAM.

  15. #15
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    Quote Originally Posted by cyclist2000 View Post
    +1
    +2

  16. #16
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    It keeps things from falling out the bottom.

  17. #17
    Senior Member danmc's Avatar
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    Quote Originally Posted by Looigi View Post
    There are shorts/bibs without them. They have a long sleeve/cuff that keeps the bottom of the leg straight. Some Hincapie bibs are made like this as are a few others. The thing is, without gripper strips, I find I can't keep gels tucked under the cuff of the leg without the risk of losing them.
    You're not tucking them up far enough; the chamois helps keep them in place.

  18. #18
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    Wind resistance.....that little bit of flapping will take 3 seconds off your 100 mile times.......
    Everything should be as simple as possible...But not more so.---Albert Einstein

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