on 3/28/02 6:37 AM, Tom Dalton at tom_s_dalton@yahoo.com wrote:
>
> And now mine...
> Whatever Curt Harnett and Marty Nothstein prefer is probably based on the
> established standards for track racing. I may be totally wrong on this one
> (really) but I have the impression that QR skewers, properly adjusted, exert
> more force on the dropout face than track axle nuts, properly torqued. This
> may just be some theoretical gibberish based on thread pitches and cam
> profiles that totally breaks down becasue it doesn't account for various
> frictional forces, the area of contact between fastener and frame and so on,
> but I have read (in more than oine place) that QRs grip better. As I recall,
> this discussion was always in the context of arguements surrounding yet
> another QR product liability suit. In any event, I can see where elastic
> deformation of the skewer itself may be significant enough to cause a wheel to
> let go under extreme loads. But, while Marty may exert three (okay, five)
> times the force on the pedal that the rest of us do, I'll speculate that many
> of us are just as likely as he is to pull a wheel due to the extreme loads
> allowed by the 24x32 gearing on our touring bikes.
> Tom Dalton
> Bethlehem, PA
> Warren & Elizabeth <warbetty@sympatico.ca> wrote: My turn to speculate...
>
> First, they are track ends, not dropouts. Nutted axles are perceived to be
> stronger than quick release although there appear to many riders who say
> QR's are sufficient. Try selling that to Curt Harnett and Marty Nothstein.
>
> CR content...on many of the older fixed road bikes , axle retainers were
> used in conjunction with track ends, providing the ultimate in wheel
> security. They also make chain tension and wheel alignment a cinch. Yes
> they are a pain when changing a flat but who thinks about that when they go
> out for a ride.
>
> Warren Young
> Toronto
>
>
>
> A follow up to the drop out question.
>>
>> Why are the wheels on fixed gear/track bicycles
>> attached with nutted fasteners rather than quick release type skewers used
>> on road bicycles?
>>
>> Track/Fixed gear rear wheel attachment seems to be distinctly different
>> from a road,but the front seems to be the same.
>>
>
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My very classic 1975 Holdsworth Pro Sprint now used only as a road fix
gear has non traditional quick release...who wants to carry a "peanut
butter" wrench!
T. Shaw
Santa Clara, California