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Search: Posts Made By: fa63
Forum: Road Cycling 07-06-16, 05:51 AM
Replies: 9
Views: 531
Posted By fa63
The CAAD is going to have a more aggressive...

The CAAD is going to have a more aggressive geometry compared to the Infinito; keep that in mind when making your decision.

I have an Intenso (what the Infinito was renamed to), and it is a great...
Forum: Road Cycling 05-17-16, 07:23 AM
Replies: 8
Views: 579
Posted By fa63
Min. of 3 mm is what I aim for as well.

Min. of 3 mm is what I aim for as well.
Forum: Road Cycling 05-17-16, 07:21 AM
Replies: 31
Views: 1,258
Posted By fa63
If you roll in with a group of riders, you get...

If you roll in with a group of riders, you get the same time as the first guy who crosses the line.
Forum: Road Cycling 05-15-16, 04:58 PM
Replies: 37
Views: 1,519
Posted By fa63
Quoted for emphasis. The frame is only a small...

Quoted for emphasis. The frame is only a small portion of the overall weight of a bicycle.
Forum: Road Cycling 05-13-16, 06:45 AM
Replies: 12
Views: 520
Posted By fa63
I did this ride a couple weeks ago: ...

I did this ride a couple weeks ago:

https://www.strava.com/activities/561284662

Despite the profile being generally downhill on the way back (which encouraged me to push it on the way out,...
Forum: Road Cycling 05-08-16, 01:48 PM
Replies: 76
Views: 2,308
Posted By fa63
Before you go buying stuff, you need to dial in...

Before you go buying stuff, you need to dial in your fit. Do some searching and see if there is a good fitter in your area. Once you know the contact points are in the right place (or close enough),...
Forum: Road Cycling 03-22-16, 05:14 PM
Replies: 88
Views: 2,435
Posted By fa63
Sorry, I meant to ask where the "4x" wheel vs....

Sorry, I meant to ask where the "4x" wheel vs. bike weight factor comes from. Is that based on some equation, empirical, etc.?
Forum: Road Cycling 03-22-16, 08:02 AM
Replies: 88
Views: 2,435
Posted By fa63
Tires (rolling resistance) can have a big impact...

Tires (rolling resistance) can have a big impact on speed; especially between a proper road tire and a semi-slick "gravel" type tire. Also, are you in the same position on your road and CX bike? If...
Forum: Road Cycling 03-22-16, 07:27 AM
Replies: 39
Views: 950
Posted By fa63
I agree, don't worry about the numbers so much. I...

I agree, don't worry about the numbers so much. I showed an FTP of 275 W last time I tested, but I weigh 100 kg :) At least you have a good head start on the "kg" side of the equation; the watts will...
Forum: Road Cycling 03-22-16, 07:12 AM
Replies: 88
Views: 2,435
Posted By fa63
Bingo. The vast majority of a cyclist's effort...

Bingo. The vast majority of a cyclist's effort goes to overcoming wind drag on the flats and even on most inclines (unless it is really steep). So it is best not to worry too much about weight unless...
Forum: Road Cycling 03-22-16, 06:12 AM
Replies: 88
Views: 2,435
Posted By fa63
I was talking accelerations as well. By the way,...

I was talking accelerations as well. By the way, where does the "2.5x" come from? I am just curious.

I agree tires (rolling resistance) can have a big impact.
Forum: Road Cycling 03-21-16, 08:00 PM
Replies: 88
Views: 2,435
Posted By fa63
When you accelerate, you have the accelerate the...

When you accelerate, you have the accelerate the whole mass (bike+rider), not just the wheels. The wheels+tires weigh 2-2.5 kg, the rider+bike weigh 80+ kg. So the wheels/tires are about 2-3% of the...
Forum: Road Cycling 03-21-16, 07:38 PM
Replies: 2
Views: 242
Posted By fa63
Go ahead and mount them; they will be fine (I...

Go ahead and mount them; they will be fine (I currently have 23 mm Contis mounted on 17mm internal width rims with no issues).
Forum: Road Cycling 03-21-16, 03:03 PM
Replies: 88
Views: 2,435
Posted By fa63
In a bicycle, those accelerations are really...

In a bicycle, those accelerations are really small, so rotational inertia argument doesn't really apply. Total mass is what matters really when going uphill.

Let us know how your experiments go; I...
Forum: Road Cycling 03-21-16, 02:19 PM
Replies: 88
Views: 2,435
Posted By fa63
Sure, a lighter bike is marginally faster when...

Sure, a lighter bike is marginally faster when going uphill. When you are a professional, every second counts. For the rest of us, better to worry about other things; like the comfort that comes from...
Forum: Road Cycling 03-20-16, 05:42 PM
Replies: 88
Views: 2,435
Posted By fa63
I have a "gravel" road bike with 40 mm tires...

I have a "gravel" road bike with 40 mm tires (Schwalbe Marathon Supreme) that weighs 10 kg / 22 lbs. I also have a regular road bike with 25 mm tires (Continental GP 4000 S II) that weighs 7.5 kg /...
Forum: Road Cycling 03-02-16, 03:19 PM
Replies: 126
Views: 2,772
Posted By fa63
It means that your heart is working hard to...

It means that your heart is working hard to propel you on a bike :) As you improve your fitness and lose some weight, it should get lower.
Forum: Road Cycling 02-26-16, 10:38 AM
Replies: 40
Views: 1,298
Posted By fa63
The way manufacturers report reach for their...

The way manufacturers report reach for their frames, STA simply doesn't factor in. It really should, because as it has been pointed out here (by Mr IGH, myself and others as well) the STA impacts...
Forum: Road Cycling 02-26-16, 09:48 AM
Replies: 40
Views: 1,298
Posted By fa63
OK. EEs are the best (my wife is one!). Have...

OK. EEs are the best (my wife is one!).

Have a nice day :)
Forum: Road Cycling 02-26-16, 09:00 AM
Replies: 40
Views: 1,298
Posted By fa63
It is not a false distinction. Look at the...

It is not a false distinction. Look at the drawing you posted; how can measurement B in your own drawing be a function of the STA? The center of the BB does not move when you slacken or steepen the...
Forum: Road Cycling 02-26-16, 08:27 AM
Replies: 40
Views: 1,298
Posted By fa63
The table you posted proves my point exactly,...

The table you posted proves my point exactly, that the way manufacturers measure reach doesn't take the STA into account. That is the point I am trying to make here, nothing else. I agree that the...
Forum: Road Cycling 02-26-16, 06:58 AM
Replies: 40
Views: 1,298
Posted By fa63
In your arbitrary definition of reach, sure (I...

In your arbitrary definition of reach, sure (I already discussed this in my previous posts but apparently you don't read them). But again, as I said a couple posts before this, what manufacturers...
Forum: Road Cycling 02-25-16, 09:30 PM
Replies: 40
Views: 1,298
Posted By fa63
I know that. It is precisely what I said in my...

I know that. It is precisely what I said in my first post, under the image I posted (I called it distance from tip of saddle to handlebar). But what manufacturers call "reach" does not take the STA...
Forum: Road Cycling 02-25-16, 09:23 PM
Replies: 40
Views: 1,298
Posted By fa63
The image I posted shows what bicycle...

The image I posted shows what bicycle manufacturers refer to as "reach". Feel free to take a look if you haven't already done so, and educate me on how the STA effects what is labeled as "frame...
Forum: Road Cycling 02-25-16, 04:00 PM
Replies: 40
Views: 1,298
Posted By fa63
FYI, reach does not take the STA into account. It...

FYI, reach does not take the STA into account. It is simply measured as the distance from the center of the BB to the center of head tube where it meets the top tube.
...
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