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KOPS knee over pedal spindle for triathlon on time trial bike.
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Opinions and how much further have you gone?
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [DAC] [ In reply to ]
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I don't believe in KOPS.

Anne Barnes
FIST/SICI/FIST DOWN DEEP
Live Grit
anne@livegrit.com
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [DAC] [ In reply to ]
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KOPS has little value for road bikes, and zero value for tri bikes.


Dan Empfield
aka Slowman
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [Slowman] [ In reply to ]
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KOPS as in the actual number of measurement has little value as every fit is different. For novice fitters it is ok starting point for a road bike fit. Let the physical assessment determine the setback or how forward the multi sport cyclist is. But years ago we felt that 8cm forward the rider started to feel the gravity pulling them down. Thanks to new bike and bar designs now that position can be further than that. Put your fit hat on and tailor the position for the client.

Robert Driskell
Certified Master BodyGeometry Fit Technician since 2009
Bayou Bicycles New Orleans,LA
(Retailer of Specialized Bicycles)
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [ABarnes] [ In reply to ]
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Thank you
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [Slowman] [ In reply to ]
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Thank you!
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [Robert Driskell] [ In reply to ]
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Thank you very much for your reply!
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [DAC] [ In reply to ]
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Pay attention to joint function at the Knee and hip.
Happy

Happy Freedman
Orthotic Consultant
Bike Fitting Specialist
Prosthetics and Orthotics/DME
Hospital for Special Surgery
510 East 73rd Street, Suite 201
New York, NY 10021

212.606.1262
646.797.8343 fax
https://www.hss.edu/rehab-staff_Freedman-Happy.asp[/url]

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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [DAC] [ In reply to ]
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DAC wrote:
Opinions and how much further have you gone?
I use KOPS when fitting a road bike (+/- 1 cm) simply to have a predictable starting point to fit from. I'm willing to go forward of 1 cm for athletes, but do not like to go aft of -1 cm if I can help it.

I, more or less, pay no attention to KOPS on a tri bike and am willing to go very steep.

Trent Nix
Tri Shop - Plano, Texas
http://www.trishop.com
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F.I.S.T. Advanced Certified Fitter | Retul Master Certified Fitter
Last edited by: trentnix: May 16, 16 8:22
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Re: KOPS knee over pedal spindle for triathlon on time trial bike. [DAC] [ In reply to ]
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I find it more useful to control the riders' centre of gravity, relative to their hip (glute) function. This establishes how much of their body-weight they can apply to the pedals. I use a different test for tri vs. road fit.
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