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  1.  
    my friend got a zipp 950 carbon but that is for time trial
    i have seen that some mate can change a fixed gear hub into it
    is that difficult to find that kind of hub ?
    thx for answering
    • CommentAuthorthe rabbi
    • CommentTimeOct 10th 2009
     
    the 950 had threading for 5-7t freewheel on one side and for fixed gear on the other side.
    • CommentAuthorquidose
    • CommentTimeOct 11th 2009
     
    I had an old 950 disc once. It had a hollow road axel with 126mm spacing. But apparently only Zipp can retrofit these discs with a solid/track axel kit. They charge $350 to outfit older model Zipp discs with a Zipp 182 track hub. Plus I would have had to pay for shipping both ways. The disc was sold.
  2.  
    How old is the disc? Some came with spacers and others were just "screw on".

    Old 950/1150 Zipps are double sided, and can take a standard 10 mm STRAIGHT (no bearing retainers, etc) axle. Spacing them can be a bitch without the real spacers, but any good bike shop should give you a solution without resulting to washers.

    The hollow Zipp axle can take a bolted axle, or take the screw on cap screws that Zipp still sells. My dropouts don't fit the cap screws (they're about the size of a nickle, or about maybe 2 cm??), so I use a bolt through on mine. Good enough for time trials with a slow start, maybe not good enough for 1600 watt sprinting, but if you're running that high wattage you aren't running hacked together Zipps.
 


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