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Forum: Road Cycling

08-26-13, 05:24 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

"Let's go Tonto. Our work is done...

"Let's go Tonto. Our work is done here."

Forum: Road Cycling

08-25-13, 10:47 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

True, but those arguing this issue sort of agreed...

True, but those arguing this issue sort of agreed to lump all that in "everything else equal". I agree with you but see how a simplification can be useful for understanding the basic question of does...

Forum: Road Cycling

08-25-13, 08:48 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

Yes.

Yes.

Forum: Road Cycling

08-25-13, 08:46 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

Yes, of course. I'm not sure what you are...

Yes, of course.

I'm not sure what you are asking. Not sure what the Roubaix weighs. What you mean by "perform". But that is not the point. Energy required to climb a hill or ability to...

Forum: Road Cycling

08-24-13, 10:16 PM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

See, that's what I'm talkin' about, but some...

See, that's what I'm talkin' about, but some folks want to keep bringing it back to how many seconds can they save and wouldn't it be better to lose body weight. It is just not the same thing.

Forum: Road Cycling

08-24-13, 04:21 PM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

Upon rereading I see that OP was asking a...

Upon rereading I see that OP was asking a somewhat different question than I answered. He was asking if two riders of identical abilities, one 20 lb lighter than the other, arrive at the finish line...

Forum: Road Cycling

08-24-13, 08:37 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

That is obviously not a realistic situation. IF...

That is obviously not a realistic situation. IF the total non-rotating and rotating weights are the same, the acceleration and climbing characteristics (sans aero effects) should be too. If a bike is...

Forum: Road Cycling

08-24-13, 08:29 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

If both masses (rider plus bike and all add ons)...

If both masses (rider plus bike and all add ons) were being towed up the incline by a rope attached to a car, only the rotating weight would make any difference to the force and power required to...

Forum: Road Cycling

08-24-13, 08:12 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

True. :lol:

True. :lol:

Forum: Road Cycling

08-24-13, 08:05 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

Actually answers to those questions did appear...

Actually answers to those questions did appear earlier in the thread. All weight is more or less the same on the bike with regard to climbing and cruising. All weight is the same on the bike with...

Forum: Road Cycling

08-24-13, 07:03 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

"No, no, a thousand times no!" Weight matters if...

"No, no, a thousand times no!" Weight matters if it matters to me (or you, or him...). One more time. Read my lips. The benefits of light weight bikes are not only the ability to accelerate and...

Forum: Road Cycling

08-24-13, 07:00 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

And then there is that aspect.

And then there is that aspect.

Forum: Road Cycling

08-23-13, 07:17 AM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

Yeah, it really is about missing the point, and...

Yeah, it really is about missing the point, and you continue to do it. Maybe I should say one of the points. Certainly the performance question is important, by why can't you understand that it is...

Forum: Road Cycling

08-22-13, 06:25 PM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

You are completely right, but missing the point. ...

You are completely right, but missing the point. First of all, the two areas of weight reduction are not mutually exclusive. You can lose body weight and remove bike weight too, and get even better...

Forum: Road Cycling

08-22-13, 12:29 PM

Replies: 68

Bike Weight-Where is it really important and where not

Views: 5,037

Posted By rpenmanparker

As I posted recently, I just completed my rebuild...

As I posted recently, I just completed my rebuild of a repainted steel frame. Picking much the same parts (not all quite as light) as on my 13.8 CF bike and substituting 1/2 lb heavier carbon...

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