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  1. #1
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    Why a disk up front on a track bike?

    I'm sure the answer is simple, but why would this LOOK track bike run a disk up front and a spoked wheel in back? Just curious. This is one crazy track bike the French team has. Swiped this from cyclingnews.com.

    Thanks.
    Attached Thumbnails Attached Thumbnails Why a disk up front on a track bike?-look_clignet_pursuit02-bike.jpg  

  2. #2
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    Quote Originally Posted by SOP_E
    I'm sure the answer is simple, but why would this LOOK track bike run a disk up front and a spoked wheel in back? Just curious. This is one crazy track bike the French team has. Swiped this from cyclingnews.com.

    Thanks.
    If you read the entire article, you'd find it was a training wheel in the rear.

  3. #3
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    Re-read article. Thanks. nm.


  4. #4
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    He had a puncture during the 1K and made a quick pit stop.

    Kidding aside, I've seem them do that for warm-up on a trainer with TT bikes. Not sure this applies to track bikes as well. Also, the rear tire looks like one of those experimental UST road tires.

  5. #5
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    Quote Originally Posted by SOP_E
    I thought the same thing when I first saw the pic a few days ago... I know that it is less important for an aero rear wheel... but actually...

    http://www.cyclingnews.com/teamtech0...s/look_clignet

    Full specification
    Frame: Look KG 496 carbon fiber
    Fork: Look
    Colour: bare carbon


    Cranks: Shimano Dura-Ace track
    Bottom bracket: Shimano Dura-Ace

    Wheels: Mavic (rear training wheel shown)
    Tyres: Dugast tubulars

    Stem: Look adjustable
    Bars: Easton Attack
    Headset: Look


    Pedals: Look, modified
    Seat post: Look carbon fiber
    Saddle: Selle San Marco

  6. #6
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    Why is there so much room between the rear tire and the frame?

    I thought aerodynamics would dictate having that wheel tucked in as tight as possible to assist air flow.

  7. #7
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    Quote Originally Posted by racerx
    I thought aerodynamics would dictate having that wheel tucked in as tight as possible to assist air flow.

    It is to accommodate one of those ultra-aero 700X37 commuter tires.

  8. #8
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    Verry interesting...

    Quote Originally Posted by racerx
    I thought aerodynamics would dictate having that wheel tucked in as tight as possible to assist air flow.
    If you draw a line from the center of the seat post to the bottom bracket spindle, you will see that it comes as close to the rear tire as the seat tube on a standard road bike. This one is scooped out for the rear wheel, but the angles are probably the same.

  9. #9
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    Quote Originally Posted by Fredrico
    If you draw a line from the center of the seat post to the bottom bracket spindle, you will see that it comes as close to the rear tire as the seat tube on a standard road bike. This one is scooped out for the rear wheel, but the angles are probably the same.

    Trouble is, some of those so-called "aero frames" are so tight back there you can't even fit in a 23 tire.

  10. #10
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    Quote Originally Posted by racerx
    I thought aerodynamics would dictate having that wheel tucked in as tight as possible to assist air flow.

    The article has a closeup of the rear end. The rear wheel was barely in the dropouts(track ends for the picky people). They threw this bike together for a photo shot. With a shortened chain/bigger cog, the rear wheel is tucked in right behind the seat tube.
    Dave Hickey/ Fort Worth

    My 3Rensho Blog: http://vintage3rensholove.blogspot.com/

  11. #11
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    Quote Originally Posted by racerx
    I thought aerodynamics would dictate having that wheel tucked in as tight as possible to assist air flow.
    "Chain untrimmed as it was quickly assembled for a training spin" as written in the text.

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