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How much do you care about bike weight?

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How much do you care about bike weight?

Old 09-18-20, 10:59 AM
  #26  
ZHVelo
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Originally Posted by sced
Nobody I know rides until they've burned a specific amount of energy=calories and then stops. Excepting special cases, for a given route=ride=course a person will do more work on a heavier/less efficient bike that a lighter/more efficient bike, and more work requires more energy/calories - it's physics and common sense.
Sorry but what are you talking about? If I want to ride 200 watts, I ride 200 watts. On a faster, lighter bike I just travel longer than on a slower heavier bike. But my average watts will be 200 in both cases. "Amount of energy" really is about of power you put out and that is entirely independent of the bike.

I recently had this moronic instagram influencer tell people to train on a gravel bike for the same reason you are suggesting.
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Old 09-18-20, 11:06 AM
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The only valid point I can think of for using a heavier bike to train with is if it keeps you from out running the others you might want to ride with in a group. That way you can put out the effort you need to keep your body at your level of fitness.

Pretty much the same thing with those little drogue chutes some like to use. Why they use them solo, I can't fathom, unless they have a speed limit they can exceed.
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Old 09-18-20, 11:13 AM
  #28  
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Originally Posted by sced
Nobody I know rides until they've burned a specific amount of energy=calories and then stops.
That just proves you need to meet more people.
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Old 09-18-20, 11:14 AM
  #29  
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Originally Posted by sced
Nobody I know rides until they've burned a specific amount of energy=calories and then stops. Excepting special cases, for a given route=ride=course a person will do more work on a heavier/less efficient bike that a lighter/more efficient bike, and more work requires more energy/calories - it's physics and common sense.
Most people ride to intensity, whether they're casual and going by comfort level or whether they're training and going by power output for a given duration. Going to a heavier bike doesn't stretch what people are comfortable with or what they're capable of - it's physiology and common sense.
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Old 09-18-20, 11:14 AM
  #30  
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Originally Posted by Iride01
Pretty much the same thing with those little drogue chutes some like to use. Why they use them solo, I can't fathom, unless they have a speed limit they can exceed.
Just drag a truck tire behind you.
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Old 09-18-20, 11:30 AM
  #31  
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If you could purchase one of two bikes, both bikes being identical in every way, except that one weighs less, which do you buy if they cost the same?
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Old 09-18-20, 11:35 AM
  #32  
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Originally Posted by zatopek
If you could purchase one of two bikes, both bikes being identical in every way, except that one weighs less, which do you buy if they cost the same?
Two bikes can't be identical in every way but weigh different amounts. That extra mass must affect performance. How and to what degree depends on where that extra mass is coming from.
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Old 09-18-20, 11:37 AM
  #33  
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Originally Posted by sced
Nobody I know rides until they've burned a specific amount of energy=calories and then stops. Excepting special cases, for a given route=ride=course a person will do more work on a heavier/less efficient bike that a lighter/more efficient bike, and more work requires more energy/calories - it's physics and common sense.
Pretty much everybody taking a training plan seriously rides a certain amount of time at certain intensities. A faster bike doesn't make it easier, you just go faster (and farther).

Even outside of serious training considerations, people who have an easier time going farther in a given timeframe tend to choose longer routes.
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Old 09-18-20, 11:40 AM
  #34  
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Originally Posted by zatopek
If you could purchase one of two bikes, both bikes being identical in every way, except that one weighs less, which do you buy if they cost the same?
That is the point, at equal weight I would go for the heavier one. So I am undecided if I am putting too much emphasis on the weight.

Thing is, 8.4kg is not much lower than my current one. Yes that isn't disc but still. I feel like if I spend some money, it should also be light, no?
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Old 09-18-20, 11:48 AM
  #35  
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Originally Posted by Iride01
The only valid point I can think of for using a heavier bike to train with is if it keeps you from out running the others you might want to ride with in a group. That way you can put out the effort you need to keep your body at your level of fitness.

Pretty much the same thing with those little drogue chutes some like to use. Why they use them solo, I can't fathom, unless they have a speed limit they can exceed.
Have two hours to ride in the morning, want to get as much TSS as possible, have to add enough drag that you can't coast (our outrun your headlight pre-dawn). I'd be all in for that.
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Old 09-18-20, 11:52 AM
  #36  
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Originally Posted by sced
Nobody I know rides until they've burned a specific amount of energy=calories and then stops. Excepting special cases, for a given route=ride=course a person will do more work on a heavier/less efficient bike that a lighter/more efficient bike, and more work requires more energy/calories - it's physics and common sense.
Not always true. Some of us go faster and harder bikes that are more fun to ride fast.
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Old 09-18-20, 12:17 PM
  #37  
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Originally Posted by ZHVelo
Sorry but what are you talking about? If I want to ride 200 watts, I ride 200 watts. On a faster, lighter bike I just travel longer than on a slower heavier bike. But my average watts will be 200 in both cases. "Amount of energy" really is about of power you put out and that is entirely independent of the bike.

I recently had this moronic instagram influencer tell people to train on a gravel bike for the same reason you are suggesting.
So when you ride past or don't make it back to where you started do you call your mommy to pick you up?
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Old 09-18-20, 12:22 PM
  #38  
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Originally Posted by sced
So when you ride past or don't make it back to where you started do you call your mommy to pick you up?
Should we talk the insult as confirmation that your wrongness has dawned upon you?
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Old 09-18-20, 12:53 PM
  #39  
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Work is simply the integral of the product of force and distance over time. For a given route, if you ride a light bike and then a heavy bike so that total time, distance (+rider position et al) on both rides are the same, you would have to generate more force with your body on the heavy bike, thus burn more calories. https://en.wikipedia.org/wiki/Work_(physics)
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Old 09-18-20, 01:00 PM
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Originally Posted by sced
Work is simply the integral of the product of force and distance over time. For a given route, if you ride a light bike and then a heavy bike so that total time, distance (+rider position et al) on both rides are the same, you would have to generate more force with your body on the heavy bike, thus burn more calories. https://en.wikipedia.org/wiki/Work_(physics)
But that's not how people actually ride. If I have a bicycle that's significantly faster than another, I'll tend to ride faster and/or choose longer routes on it.
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Old 09-18-20, 01:05 PM
  #41  
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Originally Posted by sced
Work is simply the integral of the product of force and distance over time. For a given route, if you ride a light bike and then a heavy bike so that total time, distance (+rider position et al) on both rides are the same, you would have to generate more force with your body on the heavy bike, thus burn more calories. https://en.wikipedia.org/wiki/Work_(physics)
So if I ride all-out on a light bike, I'll be able to ride all-out-er on a heavier bike?

Again, no one is disputing physics, we're talking about how people ride in the real world with regard to intensity.
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Old 09-18-20, 01:20 PM
  #42  
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Originally Posted by ZHVelo
With that much of a difference?
Sure. If one bike weight was given on a 56 frame and the other on a 47, yes of course. Additionally, you mention that both bikes have the same groupset, but bike manufacturers are known to not always use full groupsets on budget bikes. If both are listed as having a 105 groupset, make sure that both include the same crankset, wheel hubs, and cassette (an 11-28 will weigh less than an 11-34).
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Old 09-18-20, 02:07 PM
  #43  
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Originally Posted by WhyFi
So if I ride all-out on a light bike, I'll be able to ride all-out on a heavier bike?
Yes
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Old 09-18-20, 02:25 PM
  #44  
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Originally Posted by sced
Yes
Is this you acknowledging that you were wrong or is this you attempting to be cutesy and doubling down on your wrongness?
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Old 09-18-20, 02:28 PM
  #45  
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Originally Posted by WhyFi
Is this you acknowledging that you were wrong or is this you attempting to be cutesy and doubling down on your wrongness?
It was a slimy attempt to be cute by altering what you wrote. You have to wonder about people who lie so blatantly when the truth is just a few posts above.
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Old 09-18-20, 03:15 PM
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I care as much as Shimano 105 allows me
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Old 09-18-20, 03:16 PM
  #47  
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Originally Posted by asgelle
It was a slimy attempt to be cute by altering what you wrote. You have to wonder about people who lie so blatantly when the truth is just a few posts above.
It's the interweb... you can't take anything seriously.

You know the mods can edit your post and make it look like you said things you didn't say.

Trolls have many of "cute" tricks, like creating a user id with a period at the end.When they post you don't see the . and they will think it's you.
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Old 09-18-20, 04:36 PM
  #48  
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i ride s freaking 61cm frame... at that size lite bikes are not so lite any more.... so i just bought what i wanted and to hell with the few or many more grams... im throwing 2 lbs of water on her anyway...
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Old 09-18-20, 04:37 PM
  #49  
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Originally Posted by GlennR
It's the interweb... you can't take anything seriously.

You know the mods can edit your post and make it look like you said things you didn't say.

Trolls have many of "cute" tricks, like creating a user id with a period at the end.When they post you don't see the . and they will think it's you.
Yes, we can but we choose not to be so slimy. Not like some of the moderators we had that were indeed booted right away once we saw their motive.
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Old 09-18-20, 04:38 PM
  #50  
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Originally Posted by sced
So when you ride past or don't make it back to where you started do you call your mommy to pick you up?
Sweet Jesus man your ego is fragile.
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