Competitive bicycle riding. Trying to go faster.

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6
votes
1answer
143 views

What is the difference between Time-Trial and Triathlon bikes?

Time-Trial and Triathlon bikes differ from normal road bikes in that they are designed for maximum efficiency when riding alone (not in a group). What, then, is the difference between them? Would ...
26
votes
5answers
23k views

How are the categories for climbs decided?

In cycle racing, there are five grades or categories for climbs - Category 4, 3, 2, 1 & Hors (Above Category or HC). How do they decide what is category 1 and what makes it so hard it is a HC?
13
votes
4answers
16k views

Do Pros use compact cranksets?

Do pro riders use compact cranksets for hilly races? I'm trying to determine if switching to a compact double will mean I don't have the top end speed to be competitive in higher levels of racing (I'm ...
10
votes
4answers
668 views

Why do riders not take advantage of other riders misfortune

Today on the Tour de France, Vincenzo Nibali attacked while Chris Froome was having mechanical difficulties. According to the commentators and Froome himself, that's something you just don't do. ...
6
votes
3answers
2k views

Which country has the cheapest top-end mountain bikes? [closed]

I'm living in Brazil where top-end mountain bikes are very expensive, due to high import tariffs. I'd like to know which country has the cheapest top-end mountain bikes? top-end would mean a bike ...
5
votes
3answers
1k views

Fastest sprinter and their top speed?

What is the top speed hit during a sprint on flat ground in a road race by a professional sprinter, say, someone like Cavendish? Is there an official record for this and if so who holds it currently? ...
19
votes
2answers
9k views

Why can't Yellow Jersey change hands on last day of Tour De France?

I've often read / seen on TV that the race is won by the end of the penultimate day. For example, this article in the Guardian describes this year's (2011) eventual winner as the champion elect in an ...
1
vote
2answers
65 views

Is there a title that refers to the person who selects the athletes who will join the national team?

Is there a title that refers to the person who selects the athletes who will integrate the national team (for instance, in the Olympic Games)? In football(soccer), there is a Selector (Sélectionneur ...
0
votes
1answer
47 views

First stage post-rest day in the Tour

One of the things that has come up in reports during the first rest day in the Tour de France this year is that the first mountain stage, especially following the rest day, is a shock to the legs. ...
1
vote
0answers
47 views

The blogs of Tour de France participants? [closed]

Here's a question that's sure to be closed, but everyone will want to see the answers to... :-) Do you know of any blogs, current or past, of riders participating in le Tour de France. Blow-by-blow ...
8
votes
2answers
3k views

What is this device on all the Tour de France riders' bikes?

What is the device behind the saddle on all the riders' bikes in the 2015 tour? I'm seeing it on almost every bike. It looks standardized and electronic.
6
votes
4answers
219 views

Standing vs. high rpm for acceleration

I've been working on my cadence for several months now, and I feel like I've gotten to the point where I'm more comfortable using high cadence instead of standing up when I want to accelerate hard. ...
1
vote
1answer
123 views

Has anyone ever tried to estimate peter sagans ftp and 5 sprint power, if so what would they look like?

Does Peter Sagan's FTP and 5 second power differ hugely from someone like Mark Cavendish or is Mark Cavendish close in his FTP power range but not world class like Sagan? As Mark Cavendish is 70kg ...
1
vote
3answers
194 views

(racer) Standard vs compact crankset: Increased leverage for same gear ratios true?

I'm a road and mtb regional racer about to have a go at my first road endurance nationals very soon. I'd like some educated scientifically validated answer on a matter that has been on my mind ever ...
4
votes
4answers
8k views

Should I get a performance bike or an endurance bike for 180 km rides?

I want to do the 180 km of cycling in general, that is the 2nd leg of Ironman. I don't have a bicycle, as of now. I am planning to buy a road bike (not the one used for triathlon). People ask me to ...
2
votes
2answers
119 views

I don't want to be the next Eddy Merckx; Is competitive cycling right for me?

I've been toying with the idea of joining competitive amateur (road) cycling for a while, but am unsure as to if the sport is right for me: I'm in very good shape and enjoy "basic" road cycling as ...
3
votes
2answers
206 views

Validity of UCI motor concerns

In the wake of the seemingly renewed post-race examinations for 'mechanical doping' by the UCI, I was wondering if anyone has experience with the motors in question (like the Vivax Assist - thanks, ...
1
vote
3answers
218 views

Why some companies stop supplying frames to pro teams?

Nowadays TIME hardly sponsors professional cycling teams at least with their frames, and I feel others like LOOK, De Rosa or Cervélo are also leaning away from it. Why it happens? Do they think their ...
29
votes
8answers
5k views

Why is it easier to follow a cyclist up-hill

Watching the Tour de France on TV I notice that the riders like to ride close behind other riders when going up a steep hill. I understand that rider can benefit from a slipstream on the flat ...
5
votes
6answers
7k views

What are the side effects of blood doping?

It has been in the news that endurance athletes such as cyclists sometimes increase their red blood cell count by blood doping. I don't understand how you can just pump more blood into yourself, there ...
1
vote
2answers
129 views

Tour de France RV/Campervan parking policy

Are there any rules regarding parking an RV/Campervan alongside the Tour de France course? Can you just park anywhere that isn't yet closed off? How long before the race comes by do you need to get ...
4
votes
2answers
7k views

What causes the noise that race wheels make when you are not pedaling?

A friend just got a new tri bike with Zipp wheels and they are loud when she is coasting. What causes that?
2
votes
1answer
181 views

What to look for in a good entry-level CX bike?

I am in the market for a new bike. It is really my first bike, I am borrowing an old 1980's Cannondale road bike from a friend currently. I have an 8-mile daily commute (1-way, 16 total miles put on 4 ...
9
votes
6answers
14k views

What kind of bicycles do they ride in the Tour de France?

I've been looking at a lot of the coverage of the Tour de France. All of the attention is on the cyclists, and no attention whatsoever on the cycles. Even in photographs or videos, they are so far ...
1
vote
3answers
139 views

Hamstring pain while cycling

I am getting serious pain in my hamstrings for the past couple of months while cycling. I warm up before I get on the bike and once I go back the road a bit the pain starts in both hamstrings. I got ...
49
votes
25answers
41k views

Why aren't Tour de France riders going any faster?

I was having a look at the average speeds of the winner of the Tour de France over the years on this page. To help things along I put the data into LibreOffice and produced a plot: I put on the ...
12
votes
6answers
374 views

Coping with crash fear?

This will be my first season racing collegiate this spring and I recently crashed on a group ride going about 22 mph around a corner and slammed my face into the ground. Crash was pretty bad and had ...
11
votes
4answers
995 views

Why are wheels so important for racing?

I hear/read everywhere that if you can spend some extra money on the bike, buy better wheels. can someone explain for me why? Is it because they are rotating or are there other comfort factors? ...
1
vote
1answer
153 views

Is running 46t front chain ring with an 11t on the back such a huge disadvantage for flat cat 4 crits?

To flesh out the question with more (hopefully useful) information: The average speed of this particular local flat criterium race is 47 kph (achievable with a cadence of 90rpm in 46-11) and a peak ...
1
vote
1answer
148 views

Why am I not seeing improvement in my bike split time?

My training went up significantly between half-iron events. There was improvement in the swim and run. But no improvement in the bike... In fact I could say I did worse because there was little ...
0
votes
2answers
159 views

cars and scooters in a road bike race

I see this a lot in videos from road bike races. A lot of rider team cars mixed with the road bikes doing the actual race. What is the matter with that? What do they do? Also, don't the riders inhale ...
2
votes
3answers
393 views

Carbon fibre vs aluminium for racing

I've been commuting on a mountain bike these past 3 years. Now I want to get into road bike racing. Is it worth saving up money over a few months for a carbon fibre bike? Or should I just go and buy a ...
2
votes
1answer
121 views

What are criteria for a team to get UCI World Tour license for the next season?

I do not know much about this question, the only thing I have heard is that commentator on Eurosport mentioned a few times that UCI points one rider obtains are counted for the team which signed him ...
2
votes
3answers
246 views

Why are aero bars usually disallowed in gran fondos?

Why are aero bars usually disallowed in Gran Fondos (cyclosportive events)? I'm just curious. I would think it would be a useful piece of equipment when riding 100 miles.
2
votes
1answer
1k views

How do I choose a light GPS device supporting Strava? [closed]

Up til now I have ridden with Strava running on my mobile phone sitting in a special mobile phone holder which sits up on my handlebars. Now I am looking for a better solution, both more aerodynamic ...
1
vote
1answer
117 views

How do I go about choosing a bike for commuting? [closed]

I am absolutely lost in the world of bicycles! I have long ridden a MTB, but now I am a good 16kms(10+ miles) away from work.(where I wish to commute too) and i just need more speed. I'm confused by ...
5
votes
2answers
146 views

Source for statistics from pro cycle races

I've been searching all over the web for statistics from bike races, starting with the Tour de France because it is the largest. Stats I have been able to find include each stage's winner with their ...
1
vote
1answer
92 views

Professional Rider Database

I'm looking for a downloadable database of professional (road) riders, containing age, height, weight, etc. The only thing I've found so far is ...
0
votes
1answer
52 views

How to start a grassroots DH race?

I'd like to start a DH race at my local ski hill (which has a few DH trails) and I'd like to know how to setup the following: Registration Practice/Qualis/Race runs Timing/Results I realize this ...
5
votes
2answers
9k views

When Mark Cavendish says he's sprints at 1500 watts how long is that for?

In an interview with Cycle Sport, Cavendish said he puts out over 1500 watts of power. “You’d be surprised at my watts,” Cavendish says. “Most people who say that their maximum is 1,600 watts ...
2
votes
5answers
4k views

Speed and comfort of a racing bicycle?

I just saw this guy called Jason Rourke breaking the record of 112.94mph (181km/h) on his bicycle. I wish I could have such a bicycle to ride, but I have never ridden a racing bicycle with gears. I ...
10
votes
13answers
19k views

What is considered the maximum safe downhill speed on a road bike?

I've heard between 30-40mph, but I am pretty sure I have hit 45 and felt safe and in solid control of my bike. If you look down and see you are above XXmph, you decide it is time to put on the ...
3
votes
1answer
88 views

Reason behind the Tour Down Under “People's Choice Classic”

The Tour Down Under (TDU) is technically a 6-stage race, but the day before is the "People's Choice Classic", The People's Choice Classic, also known as the Down Under Classic, is a single day ...
2
votes
3answers
695 views

would you use vo2 max intervals increase your functional threshold power using a power meter?

As described in this blog post below: http://www.training4cyclists.com/threshold-power/ Example: 3 x (3+3min) at VO2max / recovery. If you use a heart rate monitor, your heart rate should be above 95% ...
2
votes
3answers
440 views

How do you use a power meter to pace yourself during steep hill time trial events?

The events in questions are no longer than one kilometer and have a gradient that fluctuates between 7% and 13%.
4
votes
1answer
284 views

hill climb tt pacing strategy for short steep hills?

There are several hill climb events in my area towards the end of the year, from august onward. Most of the hills are no longer than 0.8km long and well above an average 6% gradient. The main ones I ...
1
vote
1answer
1k views

What are the differences in mountain bike hubs (With wheelset recommendation)?

I'm possibly getting a disc brake, 2013 Specialized Camber 29er without the wheelset. I was looking on wheelbuilder to see how much a wheelset might be (to save weight over factory replacement), and ...
5
votes
2answers
650 views

Does group riding negate the aero benefit of deep rim wheels?

I've been weighing up some options over wheels and in doing my research I've noticed that rim depth may be a bigger factor than I had previously considered. On the one hand, shallow rims are typically ...
1
vote
4answers
458 views

Why don't race bikes have solid front triangles?

I know that cutting material out makes a bike lighter, but at some point there must be a crossover between weight and aerodynamics. Since tri-bikes and track bikes have more oval/flat shaped tubes, ...
15
votes
5answers
2k views

Why do racing cyclists wobble when furiously pedalling?

In all pro-cycling races, they start wobbling towards the finish line instead of biking steadily (e.g., in this video: http://youtu.be/wJE69beIIoI). Why do they do that? Note: I have no experience ...