Questions tagged [time-trial]

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6
votes
6answers
4k views

Which type of course is the fastest for a 10 km TT? A completely flat course or a course with 5 km uphill and 5 km downhill?

There are two types of courses that I am considering for a 10 km trial: Completely flat. 5 km out and 5 km back. 5 km uphill at a grade of 1%, and 5 km downhill on a grade of 1%. Assuming you start ...
12
votes
3answers
789 views

Why do base kilometers help with time trials?

Question: If I want to maintain some objective measure of improvement by keeping track of the time it takes me to do a 40-km round-trip, why is it important to not do a time trial every time (riding ...
5
votes
1answer
775 views

Jan Ullrich's TT bike in la Vuelta 1999: why the bigger rear wheel?

What was the thinking behind having a bigger rear wheel on a TT bike back then?
0
votes
0answers
80 views

HELP!! What is this bike frame?

Hello all, I've won this triathlon frame on Ebay for £150 but have yet to pay. Apparently Vision have never made frames and deal only in components (according to their customer service). Is this some ...
0
votes
1answer
238 views

Heart rate during a ~1 hour individual time trial? [closed]

I'm wondering about heart rate data during a flat(-ish) Individual time trial that takes a bit below 1 hour to complete at elite level, like the typical ITTs in TdF. I know HR alone is far from the ...
0
votes
2answers
573 views

Will 11 speed 55-42T Shimano Dura-Ace 9000 crankset will be compatible with an 8 speed 11-28T cassette and shifter?

Will a Shimano Dura-Ace 9000 55-42T crankset be compatible with my current Shimano 8 speed 11-28T cassette? The purpose of this change is for Time Trialling.
18
votes
5answers
6k views

Why are road bikes (not time trial bikes) used in many triathlons?

I've been watching triathlon videos lately and I couldn't help but notice that, with the exception of Ironman Competitions, only road bikes and not time trial bikes are being used. Is there any reason ...
3
votes
2answers
259 views

Why is a TT national champion not allowed to wear his jersey in TTT

According this source, Wout Van Aert is not allowed to wear his new TT belgian champion jersey in TTT of the tour the france. I can remember days where this was allowed. Why and when did this change? ...
6
votes
0answers
558 views

Would like to identify a late 80s/early 90s lo-pro bicycle's manufacturer and tube type

I just purchased this bike locally in Southern California and thought it would be straightforward to identify but I've asked around and no one seems to know. The specs are: Lugged steel (fork crown ...
2
votes
2answers
706 views

Time trial carbon frame scratches. Should I concern?

While cleaning my time trial bike I've noticed many scratches in the frame. See pictures below. My tire pressure is usually around 100 psi, depending on the weather conditions or circuit. My wheels ...
-6
votes
3answers
163 views

Time trial racing is superior to road racing, because it is more honest [closed]

Is TT racing is a more honest form of racing? Road bike races are just a bunch of guys all crowded together trying to hide from the air behind the guy in front of them. Not showing honest speeds I ...