Re: Newbie needs advice -- TimeTrial.org Message Board

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Date Posted: 14:47:54 12/30/04 Thu
Author: Rick Pfeiffer
Subject: Re: Newbie needs advice
In reply to: Jimmy 's message, "Newbie needs advice" on 19:13:12 12/08/04 Wed

>You bring up several points. Different cyclist have different cadences that they excel at...just look at the wide variety seen in the tour de france. It seems that the cadence for TT is usually a bit below that of a road rider's average cadence. On the average I think that most people go 85-87 rpm while time trialing and 90-94 rpm on the road.
The sweet spot for TT is also forward as compared to road riding. A TT bike usually has a seat angle of about 79 and a road frame about 73. In effect this moves you to a forward seat position...and your knees go forward too. As the seat height is lowered the amount that one has to get forward to achieve the same relative angle changes. Go to www.cervelo.com/index2.html for a discussion on this.
Finally I am 53 years old and keep my HR between 165-175 during time trials. My max HR is 188. Most people recommend measuring your max HR during an all out several minute effort then racing TT at about 90-94% of that Max. THis is for a 40k race.
Rick Pfeiffer

Hi guys,
>A little background...I'm a 51 yr old retired Marine.
>I still work "on base" (Camp Lejune NC) which affords
>me the company of enough hungry Marine cyclists to
>keep me on my toes. After getting into sprint tri's a
>couple of years ago, I found myself gravitating more
>and more towards bettering my time on the local 10mi
>(actually 9.8) TT's, at the expense of my swim and run
>training, and that's fine with me because I somehow
>have fallen in love with the pain of training for TT's
> It's hard to explain the lure, but if anyone can
>understand the obsession, I figure you guys can. Last
>year my best time was 25:14. This year I can do that
>on a hard training day, and I've cut my "all out"
>effort down to 24:07. I have a lot of questions, and
>I figure this is the place to ask, so here it goes....
>First, everyone says I ride to big of a gear. I know
>their right, because my saddle is set high enough to
>make my hips rock...but it feels comfortable to me?
>I've read tons of stuff advocating higher cadence, but
>I just don't "feel" the power. Is there a compromise
>available here? Secondly, You'd figure that "mashin'
>the big gears would produce a plum line that was rear
>of my center pedal (at horizontal); however my knee
>line is an inch or so forward?...Also if there is such
>a thing, what would a "ballpark" HR percentage be for
>interval traing and/or actual TT? Thanks, Jimmy

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